Graphing Linear Equations in Two Variables Worksheet

[Pages:5]Name_______________________________________________________________ Date __________________

Graphing Linear Equations in Two Variables

Key Ideas

Determine whether each statement is true (T) or false (F). If the statement is false, change the underlined portion so that the statement is true.

T or F The graphs of linear equations form curved lines.

T or F

To check if a point is on a line, we see if it is a solution to the equation of the line.

Practice

Circle the graphs below that represent a linear equation:

1.

For the following problems, determine which linear equation can be shown by the points on the graph. How do you know?

y

2.

a. -2 + = 6

b. + 2 = 8

c. 4 - = 2

x ?Taylor J's MATH materials

y

3.

y

4.

y

5.

a. - + 2 = 6 b. 2 - = 3 c. 3 - 2 = 12

x

a. 3 + 2 = -1 b. - - = 4 c. -3 + = 1

x

a. 2 + 2 = 24 b. - 2 = 12 c. ? + = 10

x ?Taylor J's MATH materials

Name______ANSWER KEY_______________ Date __________________

Graphing Linear Equations in Two Variables

Key Ideas

Determine whether each statement is true (T) or false (F). If the statement is false, change the underlined portion so that the statement is true.

T or F The graphs of linear equations form curved lines. straight lines

T or F

To check if a point is on a line, we see if it is a solution to the equation of the line.

Practice

Circle the graphs below that represent a linear equation:

1.

For the following problems, determine which linear equation can be shown by the points on the graph. How do you know?

y

2. a. -2 + = 6 b. + 2 = 8 c. 4 - = 2 When I plug in the point (0, 4), I get the true statement, 8 = 8. I do not get a true statement when I plug the point into the other equations.

x ?Taylor J's MATH materials

y

3.

y

4.

y

5.

a. - + 2 = 6 b. 2 - = 3 c. 3 - 2 = 12 When I plug in the point (0, 3), I get the true statement, 6 = 6. I do not get a true statement when I plug the point into the other equations.

x

a. 3 + 2 = -1 b. - - = 4 c. -3 + = 1 When I plug in the point (0, 1), I get the true statement, 1 = 1. I do not get a true statement when I plug the point into the other equations.

x

a. 2 + 2 = 24 b. - 2 = 12 c. ? + = 10 When I plug in the point (2, 10), I get the true statement, 24 = 24. I do not get a true statement when I plug the point into the other equations.

x

?Taylor J's MATH materials

?Taylor J's MATH materials

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