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Graphing Linear Equations

4.5

in Standard Form

How can you describe the graph of the

equation ax + by = c?

1 1

ACTIVITY:

Using a Table to Plot Points

Work with a partner. You sold a total of

$16 worth of tickets to a school concert.

You lost track of how many of each type

of ticket you sold.

⋅

⋅

Number of

Number of

+

=

—

—

adult tickets

adult

student

student tickets

a. Let x represent the number of adult tickets.

Let y represent the number of student tickets.

Write an equation that relates x and y.

b. Copy and complete the table showing the different combinations of

tickets you might have sold.

Number of Adult Tickets, x

Number of Student Tickets, y

y

c. Plot the points from the

table. Describe the pattern

9

formed by the points.

8

C

OMMON

C

ORE

d. If you remember how many

7

Graphing Equations

adult tickets you sold, can

6

In this lesson, you will

you determine how many

graph linear equations

●

student tickets you sold?

5

written in standard form.

Explain your reasoning.

Applying Standard

4

8.EE.6

3

2

1

0

0

1

2

3

4

5

6

7

8

9

x

172

Chapter 4

Graphing and Writing Linear Equations

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Parent category: Education