REVIEW

What is an equivalent expression for (x+2)(x+1), and what property is applied when multiplying this expression?

• x^2 + 2x + 1 by Distributive Property

• x^2 + 3x + 2 by the Distributive Property

• x^2 + 4x + 2 by the Multiplicative Identity Property

• x^2 + 3x + 1 by the multiplicative Identity Property

Which of the following expressions represents the area of a square that had a side length of x-7?

• (x - 7)² square units

• (x + 7)² square units

• x² - 14x + 49 square units

• (x - 7) + (x - 7) square units

Ronnie was given $300 for her high school graduation. She invested it in an account that earns 2.4% interest per year. If he does not make any deposits or withdrawals, which expression can be used to determine the amount of money that will be the account after 4 years?

• 300(1 + 0.024)^2

• 300(1 + 0.024)^5
• 300(1 + 0.024)^4
• 300(1 + 0.024)

Which expression is equivalent to 2(x+4)+4(x^2-6x+12)?

• 4x^2 + 10x - 8
• 6x^2 - 10x + 40
• 2x^2 - 8x + 24
• 4x^2 - 22x + 56

Use the following expression (4x^2-4x+6)-(x^2-1x+4) to complete the statements. The expression can be rewritten as what?

• 3x^2 - 3x + 2
• 5x^2 - 2x + 1
• x^2 + 4x + 6
• 2x^2 + 2x + 4

The length of a rectangular courtyard can be represented by (3x+3) and the width by (4x-7). Which expression best represents the area of the courtyard?

A square is lengthened by 6 units in one direction and by 5 units in the other direction. If the length of the side of the original square is x units, then what is the area of the entire figure?

• x^2 + 6x + 5
• x^2 + 5x + 30
• x^2 + 11x + 25
• x^2 + 11x + 30

An archer shoots an arrow into the air such that its height at any time, t, is given by the graph. Which equation represents the axis of symmetry?

• x=6

• y=6

• x=2

• y=2

Consider the expression below.

3x(x+5)+4(x-1)

Which of the following is a way to rewrite the above expression?

• 3x^2 + 15x - 4
• 3x^2 + 19x + 4
• 3x^2 + 10x - 1
• 3x^2 + 19x - 4

• 8x^2 - 5x - 4x^2 + 16
• 4x^2 - 27x + 10
• -4x^2 + 5x + 10
• 4x^2 + 27x - 10