Proportional Relationships from Graphs and Tables

Does this graph show a proportional relationship?

• Yes, because it is linear

• Yes, because it is linear and goes through the origin.

• No, because it is not linear

• No, because it does not go through the origin.

What is the rate of change for the following graph?

• 80

• 20

• 40

• 160

Proportional relationships must go through the origin. (0,0)

• True

• False

Which line shows a proportional relationship between x and y?

• Line L

• Line M

What makes two quantities proportional?

• Proportional relationships do not have constant ratios.

• Proportional relationships have constant ratios while non-proportional relationships do not.

How does graphing relationships help you determine whether the relationship is proportional or not?

• The graph of a proportional relationship must have a straight line.

• The graph of a proportional relationship must pass through the origin.

• the graph of a proportional relationship must have a straight line and pass through the origin.

• None of the above.

How can you find the unit rate from a line on a graph that goes through the origin?

• Use the x-coordinate and y-coordinate from tables, graphs, or slope to find the constant rate.

• Use the cross product to find the slope.

How can you show two objects are proportional? (Select all that apply)

• The ratios are equal.

• The rate is not equal to the slope

• The ratios are constant

• The slope is proportional with respect to all x and y coordinates.

How do you solve a proportion?

• Find the cross product, then solve the one-step equation.

• Butterfly effect.

• Neither.

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional