10
QuizMultiple Choice

Factoring Polynomials: GCF

Question 10 • FL-1200700-Mathematics for College Algebra MIS

The volume of a prism is the product of its height and area of its base, V = Bh. A rectangular prism has a volume of 16y4 + 16y3 + 48y2 cubic units. Which could be the base area and height of the prism?

Answer
A
a base area of 4y square units and height of 4y2 + 4y + 12 units
B
a base area of 8y2 square units and height of y2 + 2y + 4 units
C
a base area of 12y square units and height of 4y2 + 4y + 36 units
D
a base area of 16y2 square units and height of y2 + y + 3 units

Explanation

Use the prism volume formula, V = Bh, by multiplying each proposed base area by its height. For choice D, 16y²(y² + y + 3) = 16y⁴ + 16y³ + 48y², which matches the given volume. So the base area could be 16y² square units and the height could be y² + y + 3 units.

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