Compare Linear Functions

What is the rate of change in the equation y=2x + 3?

• 2

• 3

• 5

• Cannot be Determined

What is the initial value in the equation y= -2x + 5

• -2

• 3

• 5

• Cannot be Determined

How would you write the equation with a rate of change of -2/3 and an initial value of 3?

• y= 3/2x-3

• y=2/3-3

• y= -2/3x+3

• y= 2/3x+3

Write the equation for the line in slope-intercept form.

• y= -1x+3

• y= 4x+3

• y=1/4x+3

• y= -4x+3

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts

Compare the rates of change. Which statement is true about functions A and B?

• They have the same rate of change

• A has a greater rate of change than B

• A and B both have negative rates of change

• A has a negative ROC and B has a positive ROC

Suppose that a bike rents for $4 plus $1.50 per hour. Write an equation in slope-intercept form that models this situation.

• y = 4x + 1.50

• y = 1.50x + 4

Adrianna has $20 in her savings account. Each week she will add $5 to it. Which equation represents this situation?

• y=25x

• y=20x+5

• y=5x+20

• y=5x

What is the rate of change for each? Who has the greater rate of change?

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Write an equation in y = mx + b form of the line shown on the graph.

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