Understand that polynomials form a system analogous to the integers; add subtract and multiply polynomials.

Sample Practice Questions (3)

A rectangle has a length of

3 x + 2

and a width of

x - 4

. Which expression represents the area of the rectangle?

3 x^{2} - 10 x - 8

3 x^{2} + 14 x - 8

4 x - 2

3 x^{2} - 8

The dimensions of a rectangular garden are shown in the diagram. Which expression represents the area of the garden?

x^{2} + 12

2 x + 7

x^{2} + 7 x + 12

x^{2} + 8 x + 12

A rectangular prism has a height of

x

, a width of

(x + 2)

, and a length of

(x - 2)

. Which expression represents the volume of the prism?

x^{3} - 4 x

x^{3} + 4 x

3 x

x^{2} - 4

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