Linearity Unit Review

What is the equation of the line?

• y = 0
• y = 1
• y = 2
• x = 1

What is the equation of this line?

• x=5
• y=5
• y=5x
• x=-5

What is the equation of the red graph pictured?

• y = -4

• x = -4

• y = 4

• x = 4

What is the equation of the red graph pictured?

• y = 3

• x = 3

• y = -3

• x = -3

What is the equation of the line in the graph?

• x = −1

• y = −1

• y = −1x

• y = x − 1

Which is the equation of the line with y-intercept -2 and slope 6.

• y = -2x + 6
• y = 3x
• y = -2x - 6
• y = 6x - 2

Write the equation of the line through the points (-6, -19) and (2, 5).

• y = -7/2x + 12
• y = 3x + 11
• y = -7/2x - 40
• y = 3x - 1

Write an equation for the line shown by counting the slope and identifying the y-intercept.

• y = -2x + 2

• y = 2x + 2

• y = 1/2x- 2

• y = -1/2x + 2

Write the equation of the line.

• y = -1/3x - 2
• y = 1/3x - 2
• y = 3x - 2
• y = -3x - 2

A camp charges families a fee of $625 per month for one child and a certain amount more per month for each additional child. Use the graph to write an equation in slope-intercept form to represent the amount a family with x additional children would pay.

• y = 625x + 225
• y = 225x 
• y = 225x + 625
• y =  625