Constant and Nonconstant Rate of Change

A mechanic performs oil changes on automobiles. The table shows linear relationships between the number of oil changes completed after different amounts of times. Choose the correct answer from each drop-down box to complete the sentence. The mechanic completes ​ ​ (a)   oil changes per hour, which represents the ​ (b)   ​ of the linear function

• 3

• rate of change

• 4.5

• y-intercept

The rate of change is

Mathematical Equivalence

ON

What is the rate of change?

Mathematical Equivalence

ON

What is the rate of change?

Mathematical Equivalence

ON

The rate of change is

Mathematical Equivalence

ON

Find the Constant Rate of Change.

• 1/3

• 3

• 1/2

What is the constant rate of change?

• No Constant Rate of Change

• $80 per month.

• $82 per month.

• $41 per month.

Determine the Constant Rate of Change?

• $250.00 per day

• $333.33 per day

• -$250.00 per day

• -$333.33 per day

The table show's your profit from your summer mowing job. What is the rate of change?

• $10 per hour

• $20 per hour

• $5 per hour

• $12 per hour

The table shows the cost of long distance calls based on the number of minutes used. Is there a constant rate of change, and if so what is it?

• Yes, 10 calls per minute

• Yes, $.10 per minute

• Yes, $.40 per minute

• Not a constant rate