Unit 5: Review Ratio and Proportionality 2024

Front

What makes a graph proportional?

Back

A straight line that goes through the origin and goes up from left to right.

Front

Does this graph show a proportional relationship?

Back

No, because it isn't a straight line.

Front

Solve for x: 2x = 40

Back

x = 20

Front

Solve the equation for x: 3x + 6 = 51

Back

x = 15

Front

What is the ratio of fish to sharks if there are 8 fish and 2 sharks?

Back

4:1

Front

What is a ratio?

Back

A comparison of two quantities by division.

Front

What is a proportion?

Back

An equation that states two ratios are equal.

Front

How do you find a missing value in a proportion?

Back

Cross-multiply and solve for the unknown.

Front

What is the unit rate?

Back

A rate with a denominator of 1.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3