Constant of Proportionality Review

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x

Front

What is the constant of proportionality when a car travels 90 miles in 2 hours?

Back

45 mph

Front

What is the constant of proportionality if y = 3x?

Back

3

Front

If Taylor can write 25 words per minute, what does this indicate about his writing speed?

Back

It indicates that Taylor's writing speed is 25 words per minute.

Front

What is the constant of proportionality if y = 8x?

Back

8

Front

If a recipe requires 4 cups of flour for every 2 cups of sugar, what is the constant of proportionality?

Back

2 (4/2 = 2)

Front

If a car travels at a constant speed of 60 mph, what is the constant of proportionality for distance over time?

Back

60 (distance = speed × time)

Front

What does a constant of proportionality of 1/4 mean in a ratio?

Back

It means that for every 1 part of y, there are 4 parts of x.

Front

If y = 5x, what is the constant of proportionality?

Back

5

Front

In a graph of y = kx, what does the slope represent?

Back

The slope represents the constant of proportionality (k).