Solving Cubic Functions Using Tables and Graphs

Use the table below to find the length of the top base edge of an obelisk whose volume is 4,689.75 cubic inches.

• 9.5 inches

• 9.75 inches

• 10 inches

• 10.25 inches

What does the width of the pool have to be if the volume is 450 cubic feet?

• 1 foot

• 2 foot

• 3 feet

• 4 feet

If a company wants to make an open box with a volume of 2,000 cubic inches. What should be the lengths of the sides they need to cut out?

• 8 inches

• 10 inches

• 14 inches

• 15 inches

If a company wants to make an open box with a volume of 3,000 cubic inches. What should be the lengths of the sides they need to cut out?

• 1 inch

• 5 inches

• 10 inches

• 15 inches

Use a graphing calculator to approximate 3 solutions to the cubic equation (select 3)

 $2500=4x^3-140x^2+1200x$  

• 3

• 8.5

• 15

• 20

• 23

What is x when the volume is 4 cubic units?

• 3.5

• 4

• 4.5

• 8

What is x when the volume is 175.5 cubic units?

• 3

• 5

• 7

• 9

Make a graph to solve the following cubic equation.

 $100=0.5x^3-3x^2+6x$  


Choose the 2 whole numbers the solution is between.

• 5

• 6

• 7

• 8

How many years will it take for this investment to reach $15,000 in value?

• 3 years

• 4 years

• 5 years

• between 3 and 4 years

• between 4 and 5 years

What is the volume of a rectangular prism who has a base with a length of 2 inches?