Slope word problem

Amy is on a weight loss show. When the show began, she weighed 231 pounds. During the show, she lost 4 pounds per week. Which equation represents the amount of weight she lost?

• y = 4 - 231x
• y = 231x - 4
• y = 231 - 4x 
• y = 4x + 231

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

An airplane 30,000 feet above the ground begins descending at a rate of 2,000 feet per minute.  Write an equation to model the situation.

• y = 30,000ft - 2,000ft(x)
• y = 30,000ft + 2,000ft(x)
• y = 30,000ft(x) - 2,000ft

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.BF.A.1

CCSS.HSF.IF.A.1

For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. Write an equation for the cost, C, after h hours of babysitting. 

• C = 5h + 3
• C = 3h + 5
• H = 5c + 3
• H = 3c + 5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe. What is the cost of renting the canoe for 6 hours?

• $200 for 6 hours
• $150 for 6 hours
• $300 for 6 hours
• $360 for 6 hours

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Marcus has a landscape company where he spreads pinestraw. He charges a $20 delivery fee and $3.50 per bale of pinestraw. Which equation represents the amount of money that Marcus charges?

• y = 20x + 3.50
• y = 3.5x - 20
• y = 20x - 3.50
• y = 3.50x + 20

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Suppose that a bike rents for $4 plus $1.50 per hour. After how many hours will the bike rental cost a total of $10?

• 4 hours
• 3 hours
• 2 hours 
• 1 hour

Tags

CCSS.7.EE.B.4A

In order to join a yoga club there is a $100 annual fee and a $5 fee for each class you attend. After how many classes will the total cost be $200?

• 20 classes
• 15 classes
• 10 classes
• 200 classes

Tags

CCSS.7.EE.B.4A

In order to join a dancing club, there is a $30 startup fee and a $4 monthly fee. After how many months will the total cost be $58?

• 7 months
• 6 months
• 5 months 
• 4 months

Tags

CCSS.7.EE.B.4A

Rufus has 100 pounds of aluminum cans and plans to collect 25 pounds each week. How many pounds of aluminum cans, p, will Rufus have after w weeks?

• p = 125w
• p = 25w + 100
• p = 100w + 25
• p = -25w+100

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2