Slope and y Intercept from Word Problems

Alex has $150 in his bank account. Each week he is going to add $15 that he earns for babysitting his sister. The y intercept in the story is.

• -150

• 15

• -15

• 150

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

Alex has $150 in his bank account. Each week he is going to add $15 that he earns for babysitting his sister. The slope in this story is

• -150

• -15

• 15

• 150

Tags

CCSS.HSS.ID.C.7

Mrs. Hartshorn uses the formula y = -3x + 27 to keep track of how much money she has in her coffee fund each day (she buys one coffee each day). x is the number of days and y is the amount of money in her coffee account. What would the 27 represent in the story?

• What she pays for each coffee

• The rule

• How much money she starts with in her fund

• It means nothing. Mrs. Hartshorn just likes the number 27.

Tags

CCSS.HSA.SSE.A.1

Mrs. Hartshorn uses the formula y = -3x + 27 to keep track of how much money she has in her coffee fund each day (she buys one coffee each day). x is the number of days and y is the amount of money in her coffee account. What does the -3 represent in the story?

• The cost of each coffee

• What she started with in her coffee fund.

• The rule

• It means nothing. Mrs. Hartshorn just likes the number -3.

Tags

CCSS.HSA.SSE.A.1

Mr. Hemlin is starting a bracelet making business. It cost him $47 for all of the supplies that he needed. He will charge $8 per bracelet. x is the number of bracelets that he sells and y is the amount of money that he has. Which equation could Mr. Hemlin use to determine how much money he has?

• y = 47x - 8

• y = 8x - 47

• y = -8x + 47

• y = -47x + 8

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

I use the formula y = 5x + 20 to figure out what I will pay to rent a moped when I go to Old Orchard Beach on vacation. x represents the number of hours that I rent the moped and y is the total cost. What could the 20 represent in this story?

• Constant rate of change

• A flat fee for renting the moped

• Slope

• The cost per hour.

Tags

CCSS.HSA.SSE.A.1

I use the formula y = 5x + 20 to figure out what I will pay to rent a moped when I go to Old Orchard Beach on vacation. x represents the number of hours that I rent the moped and y is the total cost. What could the 5 represent in the story?

• The cost to rent the moped per hour

• The flat fee for renting the moped

• The y intercept

• The starting point in the story.

Tags

CCSS.HSA.SSE.A.1

CCSS.HSS.ID.C.7

I use the formula y = 5x + 20 to figure out what I will pay to rent a moped when I go to Old Orchard Beach on vacation. x represents the number of hours that I rent the moped and y is the total cost. If I rented the bike for 6 hours, what would the total cost be?

• $30

• $76

• $20

• $50

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

I use the formula y = 5x + 20 to figure out what I will pay to rent a moped when I go to Old Orchard Beach on vacation. x represents the number of hours that I rent the moped and y is the total cost. If the total cost to rent the moped was $75, how many hours did I rent the moped for?

• 7 hours

• 10 hours

• 11 hours

• 12 hours

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

y = -10x + 200

This equation could represent which of following stories?

• Sarah rented a bike for a flat fee of $10 and paid $200 per hour.

• Sarah has $200 in her bank account. Each week she adds another $10 to the account.

• Sarah has $200 in her bank account and takes out $10 per week

• Sarah owes her mom $200. Every week she pays her back 10 dollars.

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1