Topic 5 Review - PreAlgebra

A class is having a bake sale. The class earns 6 cents for each cookie sold. Which equation could represent this situation?

• y=3x

• y=6x

• y=-6x

The graph shows a proportional relationship between a​ family's distance from​ home, y, and the time they spent​ driving, x. Write an equation for the relationship shown by the graph.

An graph shows a proportional relationship if the line:

• goes through the origin

• goes through (0, 0)

• has a negative slope

• is a straight line

Write an equation to model the situation.

What is the slope of the line?

What is the y-intercept of the line?

What is the equation of the line (in slope-intercept form)?

Get a pencil and paper ready.

What is the slope of the line that passes through (-1, 2) and (1, -4)?

The graph shows the number of Calories burned running. How many Calories do you burn per​ minute?

• 18.4

• 9.2

• 36.8

• 1

Which graph shows a proportional relationship?

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