Unit 6 Final Exam Review Algebra 1

Which expression is equivalent to  $k^2-11k+30$  ?

• (k - 6)(k - 5)

• (k + 5)(k + 6)

• (k + 15)(k + 2)

• (k - 2)(k - 15)

Which expression is equivalent to  $18x^2-15x+2$  ?

• (3x - 2)(6x - 1)

• (9x - 1)(2x - 2)

• (x - 2)(18x - 1)

• (2x - 1)(9x + 2)

Express the perimeter of the figure shown in terms of x.

• 14x - 3

• 7x + 2

• 12x² - 15

• 14x + 4

Simplify the polynomial expression  $\left(5x^2-4x+7\right)-\left(2x^2-3x+4\right)$  

•  $3x^2-7x+11$  

•  $3x^2-x+11$  

•  $3x^2-x+3$  

•  $3x^2-x-3$  

Which of the following is equivalent to  $\left(8x-1\right)\left(4x+3\right)$ ?

•  $32x^2-3$  

•  $32x^2+20x-3$  

•  $32x^2-4x-3$  

•  $32x^2+24x-3$  

Multiply:  $\left(7x-3\right)\left(49x^2+21x+9\right)$  

•  $49x^3+27$  

•  $343x^3+27$  

•  $343x^3-27$  

•  $343x^3+63x^2-27$