Solving Slope Intercept Word Problems

The equation, y = 4.95 + 0.50x represents the cost of a burger with x toppings.  Which number represents the y-intercept?

• $0.50

• $4.95

• $5.45

• $4.45

The equation, y = 11.25 + 1.75x represents the cost of a pizza with x toppings.  Which number represents the slope?

• $1.75

• $11.25

• $13.00

• $9.50

The equation, y = 3.40 + 0.80x represents the cost of a sundae with x toppings.  What is the cost of a sundae with 5 toppings?

• $3.40

• $4.20

• $7.40

• $4.00

The equation, y = 20 + 1.50x represents the cost of riding x rides at the fair.  If you paid a total of $29, how many rides did you go on?

• 9 rides

• 19 rides

• 10 rides

• 6 rides

In order to join an online learning community, there is a $20 startup fee and a $5 monthly fee. Write an equation in slope-intercept form that models this situation.

Pizzazz Publications is having some books printed. The printer charges $800 plus $5 per book. Write an equation in slope-intercept form that models this situation.

• y= 5x + 800

• y= 800x + 5

In order to join an online learning community, there is a $20 startup fee and a $5 monthly fee. Write an equation in slope-intercept form that models this situation.

• y = 20x + 5

• y = -5x +20

• y=5x + 20

• y = 5x - 20

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

• y = -4x +1.50

• y = 4x - 1.50

A plumber charges $25 for a service call plus $50 per hour of service. Write an equation in slope-intercept form for the cost, y, after x hours of service.

• Y = 50x + 25

• Y = 25x + 50

• Y = 50x - 25

• Y = 25x - 50