Proportions with Linear Equations

Solve for x 

• x = 16

• x = 28

• x = 1/26

• x = 26

Solve for x 

• x = 6

• x = 25

• x = 28

• x = 17

Which best describes the graph represented in this table?

•  proportional

• non-proportional

Is the graph proportional or non proportional?

• Proportional

• Non-Proportional

When solving proportions the two steps you follow are...

• 1. Cross Multiply
  2. Divide

• 1. Cross Divide
  2. Multiply

• 1. Cross Addition
  2. Multiply

• 1. Cross Subtract
  2. Divide

Solve for the following and answer with the correct label

2.5 pounds of meat for 2 dogs

x pounds of meat for 7 dogs

• 0.71 pounds

• 8.75 dogs

• 8.75 pounds

• 0.71 dogs

The graph shows the water level as a bathtub fills.  Select the correct choice that describes this graph.

• The graph is proportional because the y to x ratio is constant (the same).

• The graph is non-proportional because it does not pass through the origin (0,0).

• The graph is proportional because it is linear (a straight line).

• The graph is non-proportional because it is linear (a straight line).

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

The Lowell family has driven 348 miles in 6 hours. Assuming they continue at this same rate, which proportion could be used to determine how long it will take them to travel the remaining 87 miles?

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Ray was looking at a drawing of his house with the following scale: 2 inches = 3 feet. On the drawing, the length of the house is 10 inches. Which could be used to find the actual length of the house?

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