Slope Proportional Graphs

What is the unit rate for the rain fall?

• 2 cm per hour

• 1 cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Which of the equations below is proportional?

• y = 6x

• y = 3x + 2

• y = 2x + 4

• y = -2x -1

Find the slope.

• ²/₅

• ^-2/₅

• ⁵/₂

• ^-5/₂

Which graph is proportional with a negative slope?

• a

• b

• c

• d

Does the table represent a proportional relationship?

• Yes.

• No.

What type of slope?

• undefined

• positive slope

• negative slope

• zero slope

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

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

• both

• neither

This is a table with a proportional relationship between A and B.  Find the missing value of B. 

• 33

• 44

• 32

• 48