Ratios and Proportional Relationships

Determine the Constant Rate of Change?

• $250.00 per day

• $333.33 per day

• -$250.00 per day

• -$333.33 per day

What is B?

• 28

• 70

• 49

• 56

What makes a graph proportional?

• Straight Line

• The line goes through (0,0)

• Curvy line

• Straight line and passes through (0,0)

Does this graph represent a proportional relationship?

• Yes

• No

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

What is a Ratio?

• A comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

Is this table proportional?

• Yes

• No

Does this graph represent a proportional relationship?

• Yes

• No

What is the unit rate for this graph?

• 100

• 25

• 50

• 200

Does this table represent a proportional relationship?

• Yes

• No