2-7 Proportions

2-7 Proportions

Guided Notes

Multiple Choice

Solve the equation for x:

• x = -1/4

• x = 1/3

• x = -3/4

• x = 3/4

Multiple Choice

Solve:

• 6

• 7

• -8

• -5

Multiple Choice

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Multiple Choice

A can of lemonade comes with a measuring scoop. The directions call for mixing 4 scoops of mix for every 28 cups of water. How much water is needed to make the entire can of lemonade if there are 40 scoops in the mix?

• 280 cups of water

• 160 cups of water

• 7 cups of water

• 10 cups of water

Multiple Choice

If a car travels 280 miles in 7 hours, how far will it travel in 12 hours?

• 480 miles

• 1,960 miles

• 84 miles

• 25 miles

Multiple Choice

The class has 12 girls and 16 boys. What is the ratio of total students to boys? (simplest form)

• 28/16
• 7/4
• 16/28
• 12/16