Proportional Relationships on a Graph

This graph is proportional because the points line up into a straight line.

• True

• False

This graph is proportional.

• True

• False

A person making jam needs needs 5 cups of sugar to make 10 jars of jam.

• True

• False

This graph shows both an x axis and a y axis.

• True

• False

Graph a proportional relationship with a slope of two.

A proportional relationship goes through the (a)   . On a graph, this goes through the point ​ (b)   .

• origin

• y intercept

• (0,0)

• (0, y)

• (x,0)

The cost of five pounds of grapefruit is $6.00. The cost per pound of grapefruit remains the same regardless of the quantity purchased. Graph the relationship between y, the total cost of grapefruit purchased, and x, the weight in pounds of the grapefruit purchased.Plot two points on the coordinate grid.

The Bountiful Harvest Festival awarded Kimberly and her dad first prize for their garlic fries last year, so they're making them again this year. The key to their success is using fresh potatoes.

It takes Kimberly 4 minutes to peel each potato.

There is a proportional relationship between the number Kimberly peels, x, and the amount of time (in minutes) it takes to peel that many potatoes, y.

Graph this relationship.

Select two points to draw a line.