February 2: Word Problems

Write the equation that represents this word problem:

Marsha gets a job that pays $15 per hour, and she started the week with $20

• y= 15x + 20

• y= 20x + 15

• y= 15 + 20

• y= 20 + 15

• Answer Not Here

What is the slope and y-intercept of the line y = 4x - 10?

• m= 10

  b = 4

• m = -10

  b = 4

• m = -4

  b = 10

• m = 4

  b= -10

Write the equation that represents this word problem:

Miles makes tacos at a restaurant. He has already made 8 tacos, and can make 3 tacos per minute.

• y= 8x + 3x

• y= 3x + 8

• y= 8x + 3

• y= 3 + 8

• Answer Not Here

Write the equation that represents this word problem:

Olivia runs every day after school. She has already run 4 miles, and she can run one mile per hour.

• y= x + 4

• y= -x + 4

• y= 4x + 1

• y= 4x - 1

• Answer Not Here

Write the equation that represents this word problem:

Quincy notices that a tree grows by about one inch every month since bought it. When he bought the tree, it was 18 inches tall.

• y= 18x + 1

• y= 18x - 1

• y= x + 18

• y= x - 18

• Answer Not Here

Jackie’s parents are planning on renting a big white party tent for her graduation celebration. Ace Rents charges $48 up front to rent the tent and an additional charge of $18 per hour. Which of the following slope-intercept form equations represents the cost, y, for renting the tent for x hours?

• 48x+18y=100
• y=48x+18
• 18x+48y=100
• y=18x+48

A holiday meal costs $12.50 a person plus a delivery fee of $30.  Which equation represents the amount a holiday meal costs, including delivery, for x people?

• y = 30 + 12.5x 
• y = 12.5 + 30
• y = 12.5 + 30x

A holiday meal costs $12.50 a person plus a delivery fee of $30. Which equation represents the amount a holiday meal costs, including delivery, for x people?

• y = 12.5x + 30

• y = 12.5 + 30

• y = 12.5 + 30x

Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50.

• y = 8.5 + 25.5
• y = 8.5x + 25.5
• y = 8.5 + 25.5x
• y = 8.5x + 25.5x

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage.  If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

• C = 0.20x + 15
• C =15 (0.20x)
• C = 15 + x + 0.20
• C = 0.20 + 15x