Rate of Change and Slope

State whether f(x) = 2 + x² is linear.

State whether x – y = –6 is linear.

Write the equation 2 – y = 10x in standard form.

Write the equation

During exercise a person’s maximum heart rate r in beats per minute is estimated by r = 220 – a, where a is the person’s age in years. What is the maximum heart rate for a 32-year-old while exercising?

The initial fee to join a gym is $200. It costs $55 per month to have a membership. Write a function for the total cost, C(x) of having a membership for x months. What is the cost of having a membership for 18 months?

Find the rate of change.

Find the rate of change

Do you have any question(s)/clarification(s)?

What is the slope in this picture?

What is the slope in the picture?

What direction is an undefined slope?

Find the slope of the line that passes through the points (2, 4) and (6, 12)

Find the slope of the line that passes through

(10, 1) and (5, 2)