Algebra 2 - Expressions - Check for Understanding

Select the correct answer. The length of a rectangle is (x - 8) units, and its width is (x + 11) units. Which expression can represent the area of the rectangle?

• -334

• -352

• -12

• -30

• the difference of twice a number and 11 cubed

• the difference of twice the cube of a number and 11

• twice the cube of a number subtracted from 11

• the cube of twice a number decreased by 11

Select the correct answer. Write an expression to represent the sum of three times the square of a number and -7. In your expression, what is the value of the constant?

• 1

• 3

• 2

• -7

• (2x + 3)(x - 2)

• 2(x + 3)(x - 2)

• 2(x - 3)(x + 1)

• (2x + 1)(x - 6)