01/31 Unit 5 PreAlg Reteach

Are the ratios $$\frac{4}{1}$$  and  $$\frac{20}{5}$$   equivalent?

The ratio of girls to boys at basketball practice is 2:3. If there are 12 girls at practice then how many boys are there?

Alicia drove at a constant speed and traveled 182.4 miles in 3 hours. What is her rate in miles per hour?

The ratio of 6th graders to 7th graders at a basketball game is 4:1. If there are eight 7th graders, how many 6th graders are there?

Based on the graph, what is the constant of proportionality?

Identify the constant of proportionality.

Identify the table as proportional or non-proportional.

Does the equation $$y=3x\ -5$$ represent a proportional relationship?

Does the equation $$s=\frac{1}{2}f$$ represent a proportional relationship?