Translating Real World Situations into Slope Intercept Form

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

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

Tags

CCSS.HSF.LE.B.5

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

Tags

CCSS.8.EE.B.5

Julia is driving on a long road trip. She currently has 10 gallons of gas in her car. Each hour that she drives, her car uses up 1 gallon of gas.

What is the y-intercept?

• 10

• 1

• -10

• -1

Tags

CCSS.8.EE.B.5

Paisley is saving up to buy a new jacket. She already has $85 and can save an additional $9 per week using money from her after school job.

What is the y-intercept?

• 85

• 9

• -85

• -9

Tags

CCSS.8.EE.B.5

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.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What does "m" represent in y=mx+b?

• y-intercept

• slope

• independent variable

• dependent variable

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope in the equation:  y=4x+3

• 3

• 4x

• 4

• x

Tags

CCSS.8.EE.B.5