Benchmark Review #2 Q2 Math 7

Front

What does 'at least' mean in mathematical terms?

Back

> or = (greater than or equal to)

Front

What does 'is below' indicate in mathematical comparisons?

Back

< (less than)

Front

What is a proportional relationship?

Back

A relationship where two quantities increase or decrease at the same rate.

Front

If there are 9 seconds between lightning and thunder, and the storm is 3 kilometers away, what happens if the time doubles?

Back

The distance also doubles, as it is a proportional relationship.

Front

Solve for a: 33 = 4a - 7

Back

a = 10

Front

What is the constant of proportionality in the equation y = kx?

Back

k is the ratio of y to x when y is directly proportional to x.

Front

If k = 3 in a proportional relationship, what does this mean?

Back

For every unit increase in x, y increases by 3.

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where y is the output and x is the input.

Front

What does it mean if two quantities are directly proportional?

Back

As one quantity increases, the other quantity increases at a constant rate.

Front

How do you solve the equation 4a = 20?

Back

Divide both sides by 4 to get a = 5.