Unit 3 Test Review

What is a proportion?

• When two ratios can be simplified
• When two ratios are equivalent and show the same value
• When two ratios have the exact same numbers
• When two ratios can be multiplied by 2

• x = 6

• x = 25

• x = 28

• x = 17

Mathematical Equivalence

ON

• are not
• are

• are
• are not

The graph represents the number of plants produced to the number of seed packets used.

What is the constant of proportionality?

Mathematical Equivalence

ON

The graph represents the total number of cups of coffee and the total number of pounds of sugar used by starbucks.

What is the constant of proportionality?

Mathematical Equivalence

ON

78 is what percent of 450?

• 5%
• .17
• 17%
• 18%

34% of what number is 51?

• 69
• 71
• 150
• 196

A student made an 85% on a test with 25 questions. What is the number of questions that the student answered correctly? Round to the nearest whole number.

• 21 questions

• 22 qestions

• 23 questions

• 24 questions