Slope Y-Intercept Word Problems

A taxi charges a flat fee of $5 plus $2 per mile traveled. Write an equation in slope-intercept form to represent the total cost (y) of traveling x miles. What is the slope and y-intercept of this equation?

• y = 2x - 5

• y = 5x + 2

• y = 2x + 5

• y = 5x - 2

Label the y-intercept in the given problem.

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

• b = 8

• b = 3

• b = 11

• b = 5

Label the y-intercept in the given problem.
Quincy notices that a tree grows by about two inches every month since bought it. When he bought the tree, it was 18 inches tall.

• b = 2

• b = 16

• b = 20

• b = 18

What type of slope?

• zero

• undefined

• negative

• positive

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

• x = 30 + 20

• y = 20 + 30

• x = 20y + 30

• y = 30x + 20

For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. Graph a linear equation (y=mx+b) to model this situation.

• 
• 
• 
• 

Find the equation that matches the table.

• y = 10x + 65

• y = 5x + 65

• y = -5x + 65

• y = -10x + 65

Write an equation for the line shown in the graph.

• y = 1/2x - 1/2

• y = 2x + 1

• y = -2x - 2

• y = -1/2x - 1/2

Which equation best represents the relationship between the x-values and the y-values in the table?

• y = x + 13

• y = 3x + 13

• y = 3x + 10

• y = 10x + 3

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