Math Variables on Graphs and Tables

Complete this table of values for the relation

y = x + 3.

• a

• b

• c

• d

Complete this table of values for the relation

y = -x +3

• a

• b

• c

• d

Complete this table of values for the relation

y = -2 + x

• a

• b

• c

• d

The ordered pair (5,__) is in the linear relation with equation y = -2x + 8.

Find the missing number in the ordered pair.

• 1

• -2

• 11

• 18

The ordered pair ( __, 5) is in the linear relation with equation y = 3x - 4.

Find the missing number in the ordered pair.

• 3

• 1/3

• 6

• -6

Marsha works part-time in a coffee shop and earns $12 per hour.

An equation for this relation is w = 12h, where h represents the number of hours Marsha worked and w represents her earnings in dollars. In one week Marsha earned $180.

How many hours did she work?

• 14

• 168

• 16

• 15

• (1, 1)

• (7, 3)

• (3, 3)

• (3, 7)

• (-3, -2)

• (-2, -3)

• (2, -3)

• (-2, 3)

• a

• b

• c

• d

• When x increases by 1, y increases by 2

• When x increases by 1, y increases by 5

• When x increases by 1, y increases by 7

• When x increases by 2, y decreases by 5