7th grade IM Unit 2 lessons 1-7 Practice

Front

What is the equation for a proportional relationship where y is the dependent variable and x is the independent variable?

Back

y = kx, where k is the constant of proportionality.

Front

What is the constant of proportionality in a proportional relationship?

Back

It is the constant factor that relates the two variables in a proportional relationship.

Front

If y = 19.25x, what is the constant of proportionality?

Back

19.25

Front

How do you convert meters to centimeters?

Back

Multiply the number of meters by 100.

Front

What is the relationship between pages read and time spent reading if time is represented by 0.5p?

Back

For every page read, it takes 0.5 minutes.

Front

In the equation y = 14x, what does the number 14 represent?

Back

The constant of proportionality.

Front

What is the formula to find the constant of proportionality from a given equation?

Back

k = y/x.

Front

If the constant of proportionality is 2, what is the equation for the relationship between y and x?

Back

y = 2x.

Front

What does it mean if two quantities are proportional?

Back

It means that as one quantity increases, the other quantity increases at a constant rate.

Front

How can you express the relationship between the number of pages (p) and time (t) if t = 0.5p?

Back

Time is directly proportional to the number of pages.