Proportional Relationships Unit Rate

• x = 6

• x = 25

• x = 28

• x = 17

What makes a graph proportional?

• Straight line

• The line goes through the origin

• Curvy line

• Straight line and the line goes through the origin

Which of the following is an example of a unit rate?

• 16 miles/6 days

• 15 words/30 seconds

• $3.18/1 slice of pizza

• $15.82/two movie tickets

Sargento cheese slices $2.50 for 10 slices or Velveeta Cheese slices $3.60 for 12 slices Find the unit price for each and choose the better deal.

• Sargento at $0.25 per slice

• Velveeta at $0.30 per slice

• Sargento at $4 per slice

• Velveeta at $3.33 per slice

Oreos $3.45 for 15 oz. or Chips Ahoy $2.40 for 12 oz. Choose the better deal.

• Oreos

• Chips Ahoy

• Neither they are the same

• Cannot be determined

Is this a proportional relationship?

• Yes, because the 4's are diagonal to one another.

• No because the cross products are not equal

• Yes because each fraction has a 4

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

• Sargento

• Velveeta

Find the unit rate for the number of hats made per hour if 1,260 hats are made in 5 hours.

• 275 hats per hour

• 252 hats per hour

• 324 hats per hour

• 356 hats per hour

Is this table proportional?

• Yes

• No

Simplify the ratio of
35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14