Proportional Relationships Review

A proportional relationship is a comparison between ____ values, usually x and y.

There is some number, k, that can be ________ by x to get the matching y.

What is the coordinate point (0,0) called?

Which of these shows a number and its reciprocal?

• 1/2 and 0.5

• 2 and 1/2

• 3/4 and 4/5

• 2 and 2/1

There is a proportional relationship between the number of candy bars purchased and the cost. What is the cost of 2 candy bars?

There is a proportional relationship between the number of candy bars purchased and the cost. What is the cost of 11 candy bars?

Write an equation in the form of y = kx for this table. Be sure to use the variables t and c for your equation. (Hint! You should write your constant as a fraction)

Jeffery wrote the following equation based on a proportional table:

 $y=\frac{1}{6}x$  
What is the other equation that he could have written?

Scarlett is playing a video game. She spends 900 minerals to create 18 workers. Each worker costs the same number of minerals.

Write an equation to describe the relationship between m, the amount of minerals, and w, the number of workers.

Your equation should start with m =

Scarlett is playing a video game. She spends 900 minerals to create 18 workers. Each worker costs the same number of minerals.

Write an equation to describe the relationship between m, the amount of minerals, and w, the number of workers.

Your equation should start with w =