Are These Ratios Proportions

What would be the ratio of red apples to green apples if there were double the amount of apples?

• 6 red apples to 8 green apples

• 8 red apples to 6 green apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Solve the proportion

• 2

• -14

• -2

• 14

The triangles are similar. Solve for x.

• 7

• 2

• 4

• 8

• 3
• 5.3
• 1.08
• 27

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Tell whether the ratios form a proportion.

• Yes

• No

Two quantities are in a ​ (a)   if the two quantities vary and have a constant ratio between them.

• proportional relationship

• proportional

• unit rate

• nonproportional

• constant of proportionality