Verbal Description

Which of the situations below represents a non-proportional relationship?

• John drove his car at a constant rate of 60 miles per hour

• Carrie babysat at a rate of $8 per hour

• A carpet cleaning company charges $40 for the first room and $25 for each additional room

• Jeremy saved $10 each week

The table shows the amount of money Anisha is paid for working different numbers of hours.  What would be Anisha's total pay if she works for 24 hours in a week?

• $170

• $168

• $175

• $180

Who has the greater rate of change?

• Hunter has the greater rate of change.

• Casey has the greater rate of change 

• They have the same rate of change

Proportional or Non-Proportional?

• Proportional

• Non-Proportional

The cost of purchasing t-shirts at $12 per t-shirt plus a shipping fee of $1 per t-shirt.

• Proportional

• Non-Proportional

The graph of the function intersects the y-axis at y= 18 and intersects the x-axis at x=-15.

Mathematical Equivalence

ON

Answer explanation

use (0,18) and (-15,0) to find the slope, then substitute the slope and one of the points into y=mx+b to solve for the y-int

Which of the following represents a linear function?

• 5

• -7

• 7

• -5

Which of the following equations represents a quadratic function?

• 10

• 8

• 6

• 12