Slope Applications and Word Problems

Write the equation that represents this word problem: Miles makes tacos at a restaurant. He has already made 8 tacos, and can make 3 tacos per minute.

• y= 8x + 3x

• y= 3x + 8

• y= 8x + 3

• y= 3 + 8

• Answer Not Here

An amusement park has an entrance fee, and then there is a cost to ride each ride. The total cost (y) can be modeled by y=1.5x+20 where x is the number of rides you ride. What does the y intercept represent?

• Number of rides

• The entrance fee

• The cost for food

• The cost per ride

How many candy bars will be sold if there were 18 sellers?

• 18

• 21

• 122

• 130

Bob has $150 in his savings account and saves $40 per month.  Which equation represents the amount Bob has in his account after x months?

• y = 150 + 40

• y = 40x + 150

• y = 150x + 40

Sandwiches at King Sandwich cost the same amount and include bread, meat, cheese, lettuce, and tomato. All other vegetables are extra. Sam bought a chicken sandwich with 3 extra vegetables for $5.25. Erin bought a roast beef sandwich with 5 extra vegetables for $6.25.

What is the slope?

• $1/2 vegetables

• $2/1 vegetable

• $6.25/2 vegetables

• $5.25/2 vegetables

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

An airplane 30,000 feet above the ground begins descending at a rate of 2,000 feet per minute.

Equation y = - 2,000x + 30,000

What is the altitude of the plane after 5 minutes?

• 20,000 feet after 5 minutes

• 40,000 feet after 5 minutes

• 148,000 feet after 5 minutes

Sandwiches at King Sandwich cost the same amount and include bread, meat, cheese, lettuce, and tomato. All other vegetables are extra. Sam bought a chicken sandwich with 3 extra vegetables for $5.25. Erin bought a roast beef sandwich with 5 extra vegetables for $6.25. What is the slope?

• $1/2 vegetables

• $2/1 vegetable

• $6.25/2 vegetables

• $5.25/2 vegetables

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

• C = 25 + 50h

• C = 50 + 25h

• H = 25 + 50c

• H = 50 + 25c

Sandwiches at King Sandwich cost the same amount and include bread, meat, cheese, lettuce, and tomato. All other vegetables are extra. Sam bought a chicken sandwich with 3 extra vegetables for $5.25. Erin bought a roast beef sandwich with 5 extra vegetables for $6.25.

What is the slope?

• $1/2 vegetables

• $2/1 vegetable

• $6.25/2 vegetables

• $5.25/2 vegetables