Interpret Rate of Change Y-Intercept

• Rate of Change: $20, Initial Value: $3

• Rate of Change: $3, Initial Value: $8

• Rate of Change: $8, Initial Value: $20

The initial value is the _________________ in a linear function.

• Slope

• X-value

• Y-value

• Y-Intercept

When Charlotte planted her tomato plant, it grew 3 inches in one week. After 5 weeks, the tomato plant was 23 inches tall. Assume the relationship is linear. Find and interpret the rate of change and the initial value.

• Rate of Change = 3, Initial Value = 8

• Rate of Change = 8, Initial Value = 3

• Rate of Change = 5, Initial Value = 8

• Rate of Change = 3, Initial Value = 23

The graph shows the distance Jeffrey is from a water fountain after a certain amount of time. Find and interpret the rate of change and the initial value.

• Rate of Change = 2, Initial Value = 2

• Rate of Change = 1, Initial Value = 8

• Rate of Change = 2, Initial Value = 6

• Rate of Change = 1, Initial Value = 3

What does the rate of change represent in this situation?

• The sloth runs 1 feet in 3 minutes

• The sloth runs 3 feet in 1 minute

• The sloth runs fast

• The sloth runs 6 feet in 1 minute

• A

• B

• C

• D

What is the y-intercept of this function?

What is the y-intercept

• (-2,0)

• (0,2)

• (0,-2)

• there is no y-intercept

The graph shows the total cost for a lawn mowing service to mow a lawn. Which equation represents this situation?

• y = 6x + 28

• y = 1x + 20

• y = 8x + 20

• y = 8x + 36

In slope-intercept form (y=mx + b), the b stands for?

• banana

• bike

• y-intercept

• slope