Proportional Relation

Does the table represent a proportional relationship?

• Yes.

• No.

Does the table represent a proportional relationship?

• yes

• no

Q1. How much does it cost?

• 8 cents

• 50 cents

• 40 cents

• 45 cents

Why does this graph show a non-proportional relationship?

• Because it is proportional

• It goes through the origin

• It does not go through the origin

• It is a straight line

Does the table represent a proportional relationship?

• Yes.

• No.

Is this table proportional?

• Yes

• No

The equation y=6.5x represents a proportional relationship. What is the constant of proportionality?

• x

• 1/6.5

• 6.5

• y

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

y = 14x ; 133 parts y = 1/14x; .68 parts y = 14x ; 130 parts y = 1/14x; .66 parts

• y = 14x ; 133 parts

• y = 1/14x; .68 parts

• y = 14x ; 130 parts

• y = 1/14x; .66 parts

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound

• $3.60 per pound

• $1.20 per pound

• $1.10 per pound