21-22 7OL Verbal Descriptions y=mx+b

Stella got a new internet plan.  The company charges her $0.15 for each minute plus a monthly fee of $40.  What equation would be used to calculate how much the cost is for her new internet plan?

• y=0.15x-40
• y=0.15x+40
• y=0.15-40x
• y=0.15+40x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A towing company charges a flat fee of $45 plus $2 a mile to tow vehicles. Which equation shows the relation between y, the total cost, and x, the number of miles a vehicle is towed?

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Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A streaming movie company charges a $15 annual fee plus $3 per movie for rentals. You want to rent a movie. What equation can you use to find how much money you will spend in renting a movie?

• y = 15x+3

• y = 45x

• y = 3x + 15

• y = 18x

Tags

CCSS.6.EE.C.9

A plant is 5 cm tall and growing at a rate of 3 cm a month. Which equation represents the plant's growth in height?

• y = 5 + 3

• y = 5x + 3

• y = 5 + 3x

• y = 5 - 3x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

You plan to go snowboarding. The resort charges $15 an hour in addition to $25 to rent a board. Write an equation that represents the cost to go snowboarding for the day.

• y=15x-25
• 15x+25y=100
• 25x+y=15
• y=15x+25

Tags

CCSS.6.EE.C.9

Suppose that the water level of a river is 34 feet and that decreases at a rate of 0.5 foot per day. Write an equation that can be used to find y, the water level, if x represents the number of days?

• y= - 0.5x+34

• y= 0.5x+34

• y= - 34x+0.5

• y= 34x+0.5

Tags

CCSS.6.EE.C.9

Sonia has $40 in her lunch account and pays $2 each day to eat lunch.

• y = 40 + 2x

• y = 40 - 2x

• y = 2 + 40x

• y = 2 - 40x

Tags

CCSS.6.EE.C.9

A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe. Write an equation representing the cost, y, of renting a canoe for x hours. 

• y = 30x + 20
• y = 30 + 20x
• y = 50x
• y = 60x

Tags

CCSS.6.EE.C.9

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

• y=15x
• y=15x+80
• y=x+15
• y=80x+15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which of the following situations could be descried by the equation y= -25x + 120

• There are 120 people in the football stadium, and 25 more are entering each hour.
• A plumber charges $25 for a house call and $120 per hour.
• A teacher has 120 students. Her third period has 25 students
• There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute

Tags

CCSS.HSF.LE.B.5