Initial Value and Y Intercept

What is the initial value of this graph?

• 1

• -2

• 0

• 3

What is another name for the initial value?

• origin

• x-intercept

• y-intercept

• rate of change

• 4

• 4x

• 5

• -5

What does the b in y = mx+b represent?

• base

• x-intercept

• y-intercept

• y = 2x+4

• y = 2x-4

• y = -2x+4

• y = -2x-4

• y = 3x-1

• y = x-3

• y = 3x+1

• y = x+3

• linear and proportional relationship

• linear and non-proportional relationship

• non-linear relationship

A bathtub filled with 40 gallons of water drains at an average of 3 gallons per minute. What is the rate of change and initial value of the linear function that models the amount of water in the bathtub after it starts draining?

• The rate of change is 40 gallons per minute and the initial value is 3 gallons.

• The rate of change is 3 gallons per minute and the initial value is 40 gallons.

• The rate of change is -40 gallons per minute and the initial value is 3 gallons.

• The rate of change is -3 gallons per minute and the initial value is 40 gallons.