Proportional vs Non Proportional Ratios

Which one of these is the constant of proportionality?

• 2

• 30

• 1/15

• 15

This equation shows a proportional relationship

y = 5x

• True

• False

• mostly equal

• all equal

What is the constant of proportionality of this graph?

• 10

• 15

• 20

• 30

What is the constant of proportionality? If it does not represent a proportional relationship, select "not proportional".

y = 5x - 3

• 5

• -3

• Not proportional

Is the graph proportional or non proportional?

• proportional

• non proportional

You may use any pair of numbers on a table to determine if its proportional except

• 1

• 0

• the fractions

• negative numbers

(Fill in the blank ) ratios on a proportional table except 0 must be equivalent.

• Some

• Most

• All

Proportional graphs must

• have points that make a straight line

• a straight line that passes through the origin

• cross the y axis

• cross the x axis

Does the table represent a proportional relationship?

• Yes.

• No.