Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.5: The Distributive Property
Problem 22WE
Related questions
Question
Solve; a. Use synthetic division to show that 2 is a solution of the polynomial equation 2h3 + 14h2 - 72 = 0.
b. Use the solution from part (a) to solve this problem. The width of a rectangular box is twice the height and the length is 7 inches more than the height. If the volume is 72 cubic inches, find the dimensions of the box.
Expert Solution
Step 1
a. Use synthetic division to show that 2 is a solution of the polynomial equation 2h3 + 14h2 - 72 = 0.
Step 2
Verify that 2 is a solution of the equation.
If the function is divided by factor , then the remainder becomes 0.
Substitute 2 for c in .
Here, the remainder is 0, so is the factor of the equation.
Hence, 2 is a solution of the equation.
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