go.roguecc.edu · web viewsection 3.3 linear equations and intercepts remember this from the...

Section 3.3 Linear Equations and Intercepts Remember this from the previous section? You should. If you don’t, you need to. Notice the exponents on the x and y. They must be 1; anything else, and it’s not a linear equaton You need to be able to determine whether an equation is linear or not by just looking at it. Can you?????? Take a look at these problems and see if you can tell. So, let’s say you want to graph one of these equations. If it is linear, what is the minimum number of points you need to plot? _____What is a better number? _____ Intercepts – do you know what the definition is????

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Section 3.3 Linear Equations and Intercepts

Remember this from the previous section? You should. If you don’t, you need to. Notice the exponents on the x and y. They must be 1; anything else, and it’s not a linear equaton

You need to be able to determine whether an equation is linear or not by just looking at it. Can you??????Take a look at these problems and see if you can tell.

So, let’s say you want to graph one of these equations. If it is linear, what is the minimum number of points you need to plot? _____What is a better number? _____

Intercepts – do you know what the definition is????x -intercept y -intercept

What is the y-intercept for the figure on the right? ________

How about for x? ____________

What is the ordered pair for the y-intercept for the figure on the right? __________

How about for x? _______________

Terminology

Page 2: go.roguecc.edu · Web viewSection 3.3 Linear Equations and Intercepts Remember this from the previous section? You should. If you don’t, you need to. Notice the exponents on the

Homework Sample

Practice: Graph the following equation by using intercepts. 2x – y = 8

Special CasesHorizontal

and Vertical Lines – you need to check this out in your text. When looking at an equation, you will be expected to “recognize” whether its graph is a horizontal or vertical line.

Homework: MLP (MyLabsPlus) and the following problems from the text.1-6 Give the letter of the answer only.7- 16 Give the answer only.17-24 Give the answer only. Make sure your answer is written as an ordered pair.77 – 82 Give the answer only.101 Answer in words and support your answer with a graph.102 Answer the question and explain in words and/or a graph why.104 Answer the question and provide a graph to support your answer.106 Graph each equation on the same grid, then give the ordered pair of the point

where they intersect.110 Give the answer and explain and/or show how you got it. Graph the equation.

MLP problems & Quiz due _________ Text problems due __________

x y (x, y)

5-25-2Using InterceptsUsing Intercepts - Weber …blog.wsd.net/rejohnson/files/2012/01/2-A1CH5L2.pdf · Holt Algebra 1 5-2 Using Intercepts Find x-and y-intercepts and interpret their

x - intercepts

Notes 3.3B Graphing Linear Equations Using Intercepts 1CP... · Steps to Graphing Using Intercepts •1. Find both the x- and y-intercepts. •2. Plot the intercepts on the graph

Graphing, Slope & Intercepts

X and Y Intercepts. X and Y Intercepts Essential Questions How can x-intercepts and y-intercepts be determined? How can equations be graphed using intercepts?

A1 10 17 13 hw intercepts

Standard Form & x-intercepts & y-intercepts Writing an equation in Standard Form Finding intercepts Graphing using intercepts

y x- intercepts x

Y x- intercepts x. y x x- intercepts x y x y x y