Proportional Graphs

Match the correct equation to the graph

• y = 90x

• y = 9x

• y = 10x

• y = 2x

Match the correct equation to the graph

• y = 16x

• y = 8x

• y = 2x

• y = 4x

Does this graph show a proportional relationship?

• Yes because it is a straight line!

• No because it is a straight line that passes through the origin!

• No because it passes through the origin!

• Yes because it is a straight line that passes through the origin!

Using the graph, how many miles can the hiker go in 10 hours?

Does this graph represent a proportional relationship?

• Yes because it is a straight line!

• Yes because it is a straight line that passes through the origin!

• No because it does not pass through the origin!

• No because it is a straight line!

According to the graph, what should the diameter of a fir tree be in 25 years?

According to the graph, if x = 2 then y = ?

According to the graph, if x = 6 then y = ?

According to the graph, if x = 7 then y = ?

According to the graph, if x = 5 then y = ?