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quadratic equations graphing up or down

Graphs of Quadratic Functions - West Texas A&M University
Jul 10, 2010 . If you need a review on solving quadratic equations, feel free to go to Tutorial 17: . It is basically a curved shape opening up or down.
http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut34_quadfun.htm

Constructing a quadratic equations graphing up or down Equation

Graphing Quadratic Equations
You can graph a Quadratic Equation using our Function Grapher, but to really . from x=0; k shows you how far up (or down) the curve has been shifted from y=0 .
http://www.mathsisfun.com/algebra/quadratic-equation-graphing.html

If two quantities multiply to get zero, does a = 0 or b = 0? or both?

What about the following equality

SOLUTION: how can we know if the graph of quadratic equation ...
standard form of a quadratic equation is y = f(x) = ax^2 + bx + c if it opens up or down. standard form of a quadratic equation is x = f(y) = ay^2 + by + c if it opens .
http://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.219414.html

Quadratic Equations Graphing
Oct 30, 2007 . Graphing Quadratic Functions y = ax 2 + bx + c. . Quadratic Equations Graphing. by kliegey524 on Oct 30, . A parabola can open up or down.
http://www.slideshare.net/kliegey524/quadratic-equations-graphing

Graphing Quadratic Functions
So, for our purposes, we will be working with quadratic equations which mean that the highest . Shifting vertical means to shift up or down on the y-axis.
http://jwilson.coe.uga.edu/emt668/EMAT6680.Folders/Barron/unit/Lesson%206/6.html

Solving for x, we get two different values : x = 2 and x = -3

Graphs of Quadratic Equations
Free, Lessons. Chapter:Quadratic EquationsSection:Graphs of Quadratic Equations . Find whether the graph of the function opens up or down. b. Write the .
http://hotmath.com/help/gt/genericalg1/section_10_2.html

Graphing Quadratic Inequalities - Free Math Video by Brightstorm
Graphing quadratic inequalities is different than graphing an equation, but not hard. . on July 13, 2010 How Do You Know If You Should Graph Up Or Down?
http://www.brightstorm.com/math/algebra-2/quadratic-equations-and-inequalities/graphing-a-quadratic-inequality/

Using the FOIL method of multiplying two binomials, we obtain the function

Graphing Quadratic Equations - Free Math Video by Brightstorm
Graphing quadratic equation explanation and example problems videos. . face a negative a value that's how you tell if the parabola opens up or opens down.
http://www.brightstorm.com/math/algebra/quadratic-equations-and-functions/graphing-quadratic-equations/

Algebra II Recipe: Graphing a Quadratic Equation
B. Steps for Graphing a Quadratic Equation in Standard Form. Determine if the graph will open up or down. Opens up if "a" is positive (the vertex point will be the .
http://www.algebralab.org/studyaids/studyaid.aspx?file=Algebra2_5-1.xml

Graphing Quadratics (Parabolas)
A quadratic equation has the general form y = ax. 2 + bx + c. The graph of such an equation will look like one of the following. opens up when, a > 0 opens down .
http://www20.csueastbay.edu/library/scaa/files/pdf/GphQuads.pdf

A19.17 Graphing Quadratic Equations - YouTube
Feb 24, 2008 . thankkss!:DDDD?. The28Hamsters 2 years ago. Vote Up Vote Down . A19.19 Solving Quadratic Equations by Graphingby ttor68Featured .
http://www.youtube.com/watch?v=mVIFVXD_z8M

Quadratic curve and graph display (standard form)- Math Open ...
In standard form, a quadratic function is written as y = ax2 + bx + c . See also General Function Explorer where you can graph up to three functions of . Estimate the values of a, b and c for this curve and write down the equation for the curve .
http://www.mathopenref.com/quadraticexplorer.html

Quadratic Functions(General Form)
Apr 3, 2011 . Explore the Graphs and properties of the quadratic functions. . tutorials on quadratic functions and graphing quadratic functions. . It is a "U" shaped curve that may open up or down depending on the sign of coefficient a.
http://www.analyzemath.com/quadraticg/quadraticg.htm

Quadratic Equations - Algebra | WyzAnt Tutoring
Let's set both of these equations equal to y and display them on the graph to see if we . Form, the coefficient of a determines if the parabola opens up or down.
http://www.wyzant.com/Help/Math/Algebra/Quadratic_Equations.aspx

Math with Larry - Graphing Quadratic Equations (Parabolas)
Feb 19, 2012 . Lesson 149: Graphing Quadratic Equations (Parabolas) . That is the point where the parabola stops sloping down, and starts sloping up.
http://www.mathwithlarry.com/lessons/lesson149.htm

how can i telln if a graph opens up or down by looking at the equation
You can put this solution on YOUR website! If you are talking about a parabola like y=x^2, the if the coefficient of x^2 is positive, it opens UP. If the coefficient of .
http://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.213552.html

Relating Linear and quadratic equations graphing up or down

  • SOLUTION: Here is my problem with the equation this time... 1 ...
    . click here. (paid link). Click here to see ALL problems on Quadratic Equations . Does the graph of this equation open up or down? How did you determine .
    http://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.150771.html

  • Function Transformations / Translations: Basic Rules
    When you first started graphing quadratics, you started with the basic quadratic, . started noticing some relationships between the equations and the graphs. . This is always true: To move a function up, you add outside the function: f(x) + b . Moving the function down works the same way; f(x) – b is f(x) moved down b units .
    http://www.purplemath.com/modules/fcntrans.htm

  • Quadratic Function - Algebra 1 - Math Dictionary
    Quadratic equation: An equation in the standard form ax2 + bx + c = 0, where a . Indicate whether the parabola opens up or down. . A. Graph-A; opens down .
    http://www.icoachmath.com/math_dictionary/Quadratic_Function.html

  • http://www.klvx.org/DocumentView.asp?DID=177
    Vocabulary. Quadratic Equation – Equation in the form y=ax2 + bx + c. . GRAPH. Up or Down . When the coefficient of x2 is positive, the graph opens upward.
    http://www.klvx.org/DocumentView.asp?DID=177

  • NutshellMath Algebra 1 - Graphing Quadratic Functions
    The first step in graphing quadratic functions is to get the equation of the . The coefficient 'a' also can be used to figure out if the parabola opens up or down.
    http://www.nutshellmath.com/textbooks_glossary_demos/demos_content/alg_graphing_quadratic_functions.html

  • Graphing Quadratic Equations - Hotmath
    A quadratic equation is a polynomial function of degree 2. . That is because the graph of every quadratic function is a parabola that either opens up or down.
    http://hotmath.com/hotmath_help/topics/graphing-quadratic-equations.html

Chapter 10 Quadratic Equations
When graphing quadratic equations we will usually be required to find at least 5 points. Recall that . By inspection we can tell if it opens up or down and we can .
http://infinity.cos.edu/algebra/ProblemsSolved/Chapter%2010/Chapter%2010.5_Graphing%20Quadratic%20Equations.pdf

Quadratic Functions
The graph of a quadratic function is called a parabola. A parabola contains a point called a vertex. The parabola can open up or down. If the parabola opens up, .
http://www.algebra-class.com/quadratic-functions.html

Solving and Graphing Quadratic Equations
Solving and Graphing Quadratic Equations . quadratic coefficient causes the ends of the parabola to point upward. . Parabola shifted right, opening down. D .
http://www.abcte.org/files/previews/math/s4_p2.html

Graph Dilations - Free Math Video by Brightstorm
We're going to be looking at what happens with a quadratic equation meaning you have x . Next let's look move those graphs up and down on the axis. Let's do .
http://www.brightstorm.com/math/algebra/quadratic-equations-and-functions/dilations-of-quadratic-graphs/

Pauls Online Notes : Algebra - Parabolas
In this section we want to look at the graph of a quadratic function. . Parabolas may open up or down and may or may not have x-intercepts and they will . We solve equations like this back when we were solving quadratic equations so .
http://tutorial.math.lamar.edu/Classes/Alg/Parabolas.aspx

Graphing Quadratic Functions Learning Objective(s) · Graph ...
Graph quadratic equations on the coordinate plane. . The vertex is the highest or lowest point on the curve, depending on whether the U opens up or down.
http://www.montereyinstitute.org/courses/Algebra1/COURSE_TEXT_RESOURCE/U10_L1_T1_text_container.html

SMART Board Lessons
The students will determine if a function is a quadratic function. 3. The students will determine if the graph of quadratic function opens up or down. 4.
http://www.mathvizza.com/lessons/algebra2_5/index.htm

quadratic equation 08 parabola open up or down va th tg2.wmv ...
Aug 6, 2007 . quadratic equation 08 parabola open up or down va th tg2.wmv. . Graphing Quadratic Equationsby MarcWhitaker103637 views · graphing .
http://www.youtube.com/watch?v=IMkztmf64iU

quadratic equations graphing up or down Expressions

Calculus - Calculating Minimum and Maximum Values Part I
Calculus Minimum and Maximum Values - Part I - Quadratic Equations. . be " concave up" (U-Shaped) and therefore the equation will have a minimum value . we know that the graph of the curve will be shaped "concave down" (shaped like .
http://www.1728.org/minmax.htm

Save Our Dumb Planet, an algebra and graphing math game from ...
Graphs of quadratic equations, Complete Levels 7 to 12, 148000, 296000, 592000 . Adjust variables with the up/down arrows to create your own formula.
http://www.mangahigh.com/en_us/games/saveourdumbplanet

For example:

When these expressions are expanded, they take on the General Form of quadratics:

Section 4.1 Quadratic Functions
4.1 Things To Know. 1. Solving Quadratic Equations by Factoring and the Zero Product Property . b) Does the graph “open up” or “open down” ? c) What is the .
http://www.math.psu.edu/files/4.1%20notebook.pdf

Forms of quadratic equations graphing up or down Functions

General Form

The general form for a quadratic function is given as:

Algebra: algebra 2 - solving and graphing quadratic equations ...
Jan 10, 2011 . graphing quadratic equations, algebra 2, broadway musicals: a. It opens . Does the graph of this equation open up or down? How did you .
http://en.allexperts.com/q/Algebra-2061/2011/1/algebra-2-solving-graphing.htm

Quadratics 9.3B
518 Chapter 9 Quadratic Equations and Functions Graphing Quadratic . the parabola opens down in the shape of an upside down U. The graph on the left has .
http://www.wiziq.com/tutorial/83301-Quadratics-9-3B

Perhaps the most important aspect of having the general form with the letter coefficients in front of the variables is finding the roots, or x intercepts, of the equation by using the trends for 2010 alternative fashion.

Graphing Parabolas
A parabola is: a graph of a quadratic equation (function) in the form y (or f(x) in . Now a parabola will look like a U, either right-side-up or upside-down. Although .
http://rachel5nj.tripod.com/NOTC/graphingparabolas.html

Vertex Form

How do you graph quadratic functions in vertex form
How do you graph quadratic functions in vertex form? In: Algebra . If a > 0, the parabola opens upward; if a < 0, the parabola opens downward. Furthermore .
http://wiki.answers.com/Q/How_do_you_graph_quadratic_functions_in_vertex_form

The point (x,y) of the vertex is given by (h,k) in the equation

Where h and k can be written in terms of the coefficients a,b, and c of the General Form

Algebra I Recipe: Graphing a Quadratic Equation
B. Steps for Graphing a Quadratic Equation in Standard Form. Determine if the graph will open up or down. Opens up if "a" is positive. The vertex point will be the .
http://www.algebralab.org/studyaids/studyaid.aspx?file=Algebra1_9-3.xml

We plug the general form coefficients into our equations for h and k

Quadratic Functions - Earth Math
The graph of a quadratic function is a parabola opening up if the leading coefficient a > 0 or opening down if a < 0. The simplest . They can be found by replacing y with 0 and solving the resulting quadratic equation for x. This equation has .
http://earthmath.kennesaw.edu/main_site/review_topics/quadratic_equations.htm

Factored Form

Graphs of Quadratic Equations on the SAT | Grockit SAT ACT Test ...
Jan 5, 2010 . Now that you know whether the quadratic equation curves up or down, we can move onto another property. If we had to compare to graphs y .
http://grockit.com/blog/collegeprep/2010/01/05/graphs-of-quadratic-equations/

What Is a Quadratic Equation?
be introduced to standard form of quadratic equations (y = ax² + bx + c) and . key components of the graphs of quadratic functions (vertex, opening up or down, .
http://www.pdesas.org/module/content/resources/13414/view.ashx

Graph the quadratic function in factored form

Finding the Roots of quadratic equations graphing up or down

Pre-Calculus Advanced >> Quadratic Functions >> Transformations ...
In this lesson you will examine the standard form of a quadratic equation . Notice that the graph appears to have been 'stretched' upward. . is very similar to a horizontal shift, except you are moving up and down and the signs aren't ' wonky'.
http://www.wsd1.org/waec/math/pre-calculus%20advanced/quadratic%20functions/Transformations/transintro.htm

ILoveMath.org - Downloads | Algebra | Linear Functions
Results 1 - 10 of 29 . 29.06.2006: Students graph at least 10 types of equations on one sheet . Equation- opening up and down Quadratic Equation- opening up .
http://www.ilovemath.org/index.php?option=com_docman&task=cat_view&gid=55&Itemid=31

Standard and vertex form of the equation of parabola and how it ...
This page: Vertex Form Equation | Graph parabola from Vertex Form | Identify Vertex from Equation . Does the parabola open upwards or downwards?
http://www.mathwarehouse.com/geometry/parabola/standard-and-vertex-form.php

Graphing Quadratics
When a quadratic equation is graphed, it makes a parabola. . And if the graph opens up you know your vertex is the lowest point while a graph going down has .
http://library.thinkquest.org/29292/quadratic/4graphing/index.htm

Graphing

How to find the equation of a quadratic function from its graph ...
May 17, 2011 . How to find the equation of a quadratic function from its graph. A reader . The parabola can either be in "legs up" or "legs down" orientation.
http://www.intmath.com/blog/how-to-find-the-equation-of-a-quadratic-function-from-its-graph/6070

How to Graph a Quadratic Equation: 8 steps - wikiHow
Jun 2, 2011 . There are several steps to graphing a quadratic equation. The best . Parabolas always take a U-shape, but they can face up or down. If a is .
http://www.wikihow.com/Graph-a-Quadratic-Equation

TRANSFORMATIONS OF f(x) = x 4.1.1 – 4.1.4 Example 1
quadratic function when it is written in graphing form. For further . parabola when graphed. The only differences will be in the direction of opening (up or down), . For each of the quadratic equations below, what is the vertex? f(x) = 2(x + 4)2 + .
http://www.cpm.org/pdfs/pguides/A2C/pg_a2c_chapter4.pdf

The quadratic equations graphing up or down Formula

10-3 Solving Quadratic Equations by Graphing | Middle School (5-8 ...
Aug 24, 2010 . SWBAT solve quadratic equations by graphing (finding the roots). . (1). 2- Will it open up or down? (up). 3- What is the value of b? (2). 4- What .
http://betterlesson.com/lesson/15124/10-3-solving-quadratic-equations-by-graphing

The Fundamental Theorem of quadratic equations graphing up or down Polynomials

Suppose m and n are numbers such that

Quadratic Function Presentation
Jan 27, 2010 . 6.2 solve quadratic equations by graphin… . It is a "U" or “n” shaped curve that may open up or down depending on the sign of coefficient a.
http://www.slideshare.net/RyanWatt/quadratic-function-presentation

We can multiply both sides by n and put all the terms on one side to get

Graphing Quadratic Equations
The general form of a quadratic equation is y = ax2 + bx + c. The graph of . If the coefficient of x2 is positive, the parabola opens up; otherwise it opens down.
http://hotmath.com/hotmath_help/topics/quadratic-function.html

*If m and n are solutions to x2 + bx + c = 0

then

Title: Catapult Trajectories: Don't Let Parabolas Throw You
values for a quadratic equation. (What causes the graph to go up or down?) The teacher will distribute the Behavior of Parabolas Worksheet (WS #3).
http://www.nsa.gov/academia/_files/collected_learning/high_school/algebra/catapult_trajectories.pdf

In other words, given the general form of a quadratic equation

if a = 1,

-b = sum of the roots of the quadratic polynomial

c = product of the roots of the quadratic polynomial

which is the same as (keeping in mind that a = 1)

SparkNotes: Quadratics: Graphing Parabolas
In a parabola that opens downward, the vertex is the maximum point. We can graph a . The graph is shifted up 3 units from the graph of y = x 2 , and the vertex is (0, 3) . Observe the graph of . It is given by the equation x = h . For example, the .
http://www.sparknotes.com/math/algebra1/quadratics/section1.html

Factoring quadratic equations graphing up or down

Graphing Calculator Manual
Scientific Notation. 10. Graphing: 10. Entering linear equations using Y= key. 10, 11. 11. WINDOW and ZOOM: . Solving Quadratic equations using ZERO function. 13. 14. Solving . and Cursor UP to darken or DOWN to lighten. KEYPAD: The .
http://www.sunywcc.edu/student_services/academic_support/academic_support_center/graphing%20calculator%20manual.pdf

For example, given the polynomial below

hs-mathematics - Quadratic Functions
Relate the number of real solutions of a quadratic equation to the graph of the . has a "U" shaped graph called a parabola that can either open up or down.
http://hs-mathematics.wikispaces.com/Quadratic+Functions

Solving a Quadratic Equation
Given the equation of a quadratic function, students should be able to predict whether the graph concave up or down based on the sign (+ or ?) of the leading .
http://www.rational-equations.com/solving-a-quadratic-equation.html

For example, given the quadratic equation below

when asked to find the roots using factoring, the result would be

quadratic equations by sarah Link
Change the equation to produce a graph concave down that shares the same vertex. iv. . If we think back to our general quadratic equation of ax^2 +bx + c here a = 2, . moves it left or right, we need to investigate how to move it up or down.
http://jwilson.coe.uga.edu/EMAT6680Su10/Link/assignment%202/Assignment2SL.html

Class 11 Notes I. The Quadratic Formula A. Completing the Square ...
We need a procedure for dealing with quadratic equations that aren't so neat. . ( let class answer) The effect of c is to shift the graph up or down without .
http://www.ucolick.org/~krumholz/pie/algebra_spring09/class11.txt

Therefore, the given quadratic equation can be thought of as

Quadratic Graphs - Free Math Video by Brightstorm
How to make a table to graph any quadratic equation. Video and example . Rachel -Assuming the parabola opens either up or down, the general formula is: Lo.
http://www.brightstorm.com/math/algebra/quadratic-equations-and-functions/exploring-quadratic-graphs/

Completing the Square

Earlier we talked about square quadratic polynomials of the forms (x + α)(x + α) and how these expand to become of the general form:

The roots of the quadratic polynomial above are - and - from

which means that

The above is easy to solve, by taking the square root of both sides of the equation such that

which means that

but since a quadratic polynomial must have 2 roots, we say that

which is better written as

Graphing Parabola Lesson Plans & Activities
Quickly find graphing parabola lesson plans from thousands of .
http://www.lessonplanet.com/lesson-plans/graphing-parabola

How to Graph Quadratic Equations
The graph of a quadratic equation is a parabola. When a is positive, the graph opens up. When a is negative, the graph opens down. Every parabola has a .
http://www.klvx.org/DocumentView.asp?DID=176

Polynomial Graphing Calculator
This page help you to explore polynomials of degrees up to 4. . signs, Local Maxima and Minima, Increasing and Decreasing Intervals, Points of Inflection and Concave Up/Down intervals. . Solve Quadratic, Polynomial or Rational Equation .
http://www.mathportal.org/calculators/polynomials-solvers/polynomial-graphing-calculator.php

Quad Functions and Models.ppt - MathXTC
Determines whether the parabola opens up or down and how “wide” it is . This is a quadratic equation and since a is negative, its graph is a parabola that .
http://www.mathxtc.com/Downloads/NumberAlg/files/Quad%20Functions%20and%20Models.ppt

is now of the same form as

and can easily be factored as

Thus we end up with

The third step is to find the square root of both sides of the equation:

to end up with

Properties of Quadratic Functions
Graph: The graph of a quadratic function is a parabola which opens up if a > 0 . Solving a Quadratic Equation in One Variable: Many quadratic equations in one . opens up if the leading coefficient is positive and opens down if the leading .
http://www.drdelmath.com/special_topics/function/functions_quadratic_properties.htm

Research Quadratic Formula and Equations by | BookRags.com
Get in-depth Encyclopedia Articles about Quadratic Formula and Equations. . The graph of a vertically oriented parabola has the shape of a rounded "v," and the . Consider a swimmer who starts at one end of a pool, swims down to pick up a .
http://www.bookrags.com/research/quadratic-formula-and-equations-mmat-03/

and

Algebra Help - Quadratic Equations
Algebra Help Online Textbook provides Quadratic Equations help for students . Consider the graph of quadratic equations. . The specific values of a, b, and c control where the curve is relative to the origin (left, right, up, or down), and how .
http://www.helpalgebra.com/onlinebook/quadraticequations.htm

quadratic equations graphing up or down and Geometry

Pauls Online Notes : Calculus III - Quadric Surfaces
Quadric surfaces are the graphs of any equation that can be put into the general form . If c is positive then it opens up and if c is negative then it opens down.
http://tutorial.math.lamar.edu/Classes/CalcIII/QuadricSurfaces.aspx

SOLUTION: You are an event coordinator for a large performance ...
Does the graph of this equation open up or down? How was this determined? b. Describe what happens to the tickets sales as time passes? c. Use the quadratic .
http://www.algebra.com/algebra/homework/word/misc/Miscellaneous_Word_Problems.faq.question.131503.html

Exploring the Vertex Form of the Quadratic Function
The Graph of a Quadratic Function in Vertex Form. Quadratic . Equation. Opens up/down. Function has a maximum/ minimum. Maximum/ minimum value .
http://education.ti.com/xchange/US/Math/Algebra/5560/83tg_expl_Act03.pdf

Lesson 37 – Quadratic Functions – Word Problems
Because just like anything, what goes up must come down, and so this is like . could check this by graphing the parabola, graphing the quadratic equation, .
http://ntnmath.keasmath.com/English%20Transcriptions/Lesson%2037.doc

Quadratic Formula - Math Forum - Ask Dr. Math
Could you give me some ideas for how to use the quadratic formula, and . are two real values for x (that is, the line of the graph touches the x-axis twice). . Canceling everything down, you will end up with (3 +/- 2sqrt(11))/5.
http://mathforum.org/library/drmath/view/53198.html