7th Semester Review

Front

What does the point (6,30) on a graph of protein content in peanut butter represent?

Back

There are 30 grams of protein in 6 tablespoons of peanut butter.

Front

What is the formula to calculate the area of a circle?

Back

Front

If the radius of a circle is 7 cm, what is the area in terms of π?

Back

Front

What is a proportional relationship?

Back

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

Front

If Troy charges $30 for 1.5 hours of work, how much does he charge per hour?

Back

Troy charges $20 per hour.

Front

What equation models the amount d Troy charges for h hours of work?

Back

The equation is d = 20h.

Front

What does the equation E = 12.25h represent?

Back

It represents the total earnings E for h hours worked at a rate of $12.25 per hour.

Front

How do you find the value of x in proportional figures?

Back

Set up a proportion and solve for x using cross-multiplication.

Front

What is the meaning of proportional figures?

Back

Proportional figures have the same shape but may differ in size; their corresponding sides are in proportion.

Front

If Mike earns $12.25 per hour, how much does he earn for 10 hours?

Back

Mike earns $122.50 for 10 hours.