Linear Relationships Word Problems

What does "m" represent in y=mx+b?

• y-intercept

• slope

• macaroni

• nothing

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

Which equations represents the verbal description?

• y = 6x + 27

• y = -6x + 27

• y = 27x + 6

• y = 27x - 6

Preston bought a gym membership with a registration fee of $21 and an additional $5 per month. Which equation shows the relationship between y, the total cost, of x months?

• y = 5x

• y = 21x + 5

• y = 5x + 21

• y = 26x

Tags

7.7a

linear relationships

slope

y-intercept

• 12

• 13

• 14

• 18

• 4

• 10.75

• 11.75

• 12.75

If Dexter pays $8.90 for his hamburger, how many toppings did he get?

• 3

• 4

• 5

• 6

How much would it cost for 2.5 hours of labor?

• $100

• 4.50

• $112.50

• $65.00

• $123.45

This problem:

• gives you a rate of change (slope) and a starting point (y-intercept)

• relates two different objects

• gives you a rate of change (slope) and a sample point (x,y)

Pierre buys a book club membership for an initial fee of $15 plus an additional $3 per book bought. Which equation shows the relationship between y, the total cost, for x books bought?

• y = 15x + 3

• y = 3x + 15

• y = 15x

• y = 18x

Tags

7.7a

slope

y-intercept

linear relationships