058 - Quiz - Proportions

What is the correct next step when using the cross product method on this problem?

 $\frac{1}{2}=\ \frac{5}{10}$  

• 1(10) = 2(5)

• 1(5) = 2(10)

• 1(2) = 5(10)

Is the following equation a Proportion or NOT? (Proportions have two equivalent ratios)

 $\frac{4}{7}=\frac{2}{4}$  

• Proportion

• Not a proportion

Is the following equation a proportion or not? (Proportions have two equivalent ratios)

 $\frac{2}{3}=\frac{4}{6}$  

• Proportion

• Not a proportion

What is a proportion?

• An equation with two equivalent ratios separated by an equal sign

• A straight line that goes through the origin

• The constant of proportionality

 $\frac{36}{4}=\frac{1}{9}$  Do the ratios form a proportion?

• Yes

• No

Do the ratios form a proportion? $\frac{48}{8}=\frac{24}{6}$  

• Yes

• No

Do the ratios form a proportion?

 $\frac{8}{32}=\frac{6}{24}$ 

• Yes

• No

Determine if the following ratios are proportional. $\frac{5}{6},\ \frac{20}{24}$  

• Proportional

• Not Proportional

Determine if the following ratios are proportional. $\frac{2}{3},\ \frac{8}{15}$  

• Proportional

• Not Proportional

Determine if the following ratios are proportional. $\frac{9}{7},\ \frac{54}{42}$  

• Proportional

• Not Proportional