Initial Value and Rate of Change

True or False: The y-intercept represents the initial value.

• True

• False

Find the y-intercept.

• 0

• 1

• 2

• none of the above

What is the rate of change?

• -2

• -1/2

• 2

• 1/2

According to the table, what is the initial value?

• –3

• 0

• 3

• 20

According to the table, what is the rate of change?

• 3

• 0

• –3

• 20

A phone salesperson is paid a minimum weekly salary and a commission for each phone sold, as shown in the table. What is his minimum salary?

• $0

• $150

• $330

• none of the above

A phone salesperson is paid a minimum weekly salary and a commission for each phone sold, as shown in the table. What is his rate per phone sold?

• $10

• $15

• $150

• $330

What is the y-intercept?

• (0, 4)

• (-2, 0)

• (4, 0)

• (0, -2)

What is the slope?

• 4

• –2

• 2

• 1/2

At the beginning of a long cruise, a ship started with 900,000 gallons of fuel and used 4,200 gallons per hour. What as the initial amount, in gallons?

• 4,200

• 900,000