End of Chapter 6 -Pre-Algebra

A statement of equality of two ratios or rates is called a(n) ______

• proportion

• unit rate

• ratio

• inequality

A(n) ________ is a ratio of two measurements having different rates.

• ratio

• rate

• proportion

• inequality

Proportional relationships can be described by using the equation y=kx where k is ________________

• a ratio

• the constant of proportionality

• variable

• proportion

The ratio of length on a scale drawing to the corresponding length on the real object is called

• the scale factor

• the rate

• ratio

• something

Figures with the same shape but not necessarily the same size are called ________

• pictures

• similar figures

• ratios

• rates

A(n) ________ is a comparison of two quantities by division.

• proportion

• rate

• ratio

• problem

Two quantities are ____________ if they have a constant ratio or rate.

• different

• the same

• equal

• proportional

Express the ratio as a fraction in simplest form.

10 girls out of 24 students

• 5/12

• 10/24

• .42

• 5:12

Jean got 12 hits out of 16 times at bat. Select the rate in simplest form.

• 6:8

• 12:16

• 3:4

• 3/4

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar