Real-World Slope

Deion just accepted a job at a new company where he will make an annual salary of $53,000. Deion was told that for each year he stays with the company, he will be given a salary raise of $4,000. Which equation could be written to model this situation?

• y=53,000x+4,000

• y=4,000x+53,000

• y=-4,000x+53,000

• y=53,000x-4,000

At the beginning of a snowstorm, Jeriel had 3 inches of snow on his lawn. The snow then began to fall at a constant rate of 2 inches per hour. Which equation could be used to model this situation?

• y=2x+3

• y=3x+2

• y=-2x+3

• y=-3x+2

Madeline is saving up to buy a new bicycle. She already has $25 and can save an additional $6 per week using money from her after school job. Which equation could be used to model this situation?

• y=25x+6

• y=6x+25

• y=-6x+25

• y=25-6x

Alan just accepted a job at a new company where he will make an annual salary of $61,000. Alan was told that for each year he stays with the company, he will be given a salary raise of $1,500.

What is the slope/rate of change?

• 61,000

• 1,500

• -61,000

• -1,500

Ruby is driving on a long road trip. She currently has 14 gallons of gas in her car. Each hour that she drives, her car uses up 0.75 gallons of gas.

What is the slope?

• 14

• 0.75

• -0.75

• -14

AJ is driving to a concert and needs to pay for parking. There is an automatic fee of $9 just to enter the parking lot, and when he leaves the lot, he will have to pay an additional $3 for every hour he had his car in the lot.

Write an equation to model this situation.

Faith has a smart phone data plan that costs $45 which includes 3 GB of data, but will charge an extra $20 per GB over the included amount.

Write an equation to model this situation.

Adam signed up for a streaming music service that costs $13. The service allows Adam to listen to unlimited music, but if he wants to download songs for offline listening, the service charges $1 per song.

Write an equation to model this situation.

What is the meaning of the slope in the context of the problem?

• Sharon's babysitting income increases by $20 per hour.

• Sharon's babysitting income decreases by $4 per hour.

• Sharon's babysitting income increases by $4 per hour.

• Sharon's babysitting income increases by $5 per hour.

What is the meaning of the slope in the context of the problem?

• It costs $3 for each book.

• The cost of 3 books.

• Each book costs $1.

• $1 for 3 books.