Proportional Graphs and Plotting Points

Is the graph proportional or non proportional?

• proportional
• non proportional

Is the graph proportional or non proportional?

• proportional
• non proportional

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

Solve the proportion.

• 1
• 3
• 6
• 5

in the order pair (3,2), which number is the x coordinate?

• 3

• 2

• none of them

The horizontal number line on a graph is called...

• the y axis

• the x axis

• the y coordinate

• the x coordinate

The vertical number line on a graph is called...

• the y axis

• the x axis

• the y coordinate

• the x coordinate

Is this graph proportional?

• Yes
• No

Timmy Tommy says that the point shown is (3,4). What is his error?

• This is a trick question. He's correct!

• He should have written the x coordinate first, then the y coordinate.

• He miscounted the y coordinate.

• He miscounted the x coordinate.