Unit 2, Quiz 1 Review

Determine the rate of change from 20 to 40 minutes.

• -20 gal/min

• -2 min/gal

• -2 gal/min

• 20 gal/min

What is the rate of change from 70 to 100 seconds?

• 60 meters per second

• -60 meters per second

• 40 meters per second

• -40 meters per second

Find the slope of the line that passes through (-2, -8) and (-3, -4).

• m = 1/4

• m = 12

• m = -4

• m = -12/5

Which equation represents the following graph?

• y = 3x + 2

• y = -2x + 3

• y = 2x + 3

• y = -3x + 2

What is the equation of the graphed line in point-slope form?

• y - 2 = 2(x - 3)

• y - 3 = -2(x - 2)

• y + 2 = 1/2(x - 3)

• y + 3 = 2(x - 2)

What is the x-intercept of the graphed line?

• (3, 0)

• (-1, 0)

• (0, 3)

• (0, -1)

What is the y-intercept of the graphed line?

• (3, 0)

• (-1, 0)

• (0, 3)

• (0, -1)

What is the x-intercept of the following equation?

 $4x-10y=20$  

• (2, 0)

• (0, -2)

• (0, -5)

• (5, 0)

What is the y-intercept of the following equation?

 $4x-10y=20$  

• (2, 0)

• (0, -2)

• (0, -5)

• (5, 0)