SBAC High School Math 1 Practice Test

Question 1

Which of the following represents the difference of (3x^3-9x^2+6x)-(8x^3+4x^2-3x)?

Accepted Answer

-5x^3-13x^2+9x

Answer

11x^3-13x^2+3x

Answer

-5x^3-5x^2+3x

Answer

5x^3+13x^2+9x

Question 2

A polynomial has factors of x-3, x+6, and x+2. Which of the following represents the graph of the polynomial?

Accepted Answer

A.

Answer

B.

Answer

C.

Answer

D.

Question 3

Which of the following expressions is equivalent to the expression, (x-3)/(x^3-6x^2-9x+54)?

Accepted Answer

1/((x+3)(x-6))

Answer

(x-3)/(x-6)

Answer

1/(x-6)

Answer

(x-3)/((x+3)(x-6))

Question 4

Rewrite using fractional exponents: 5√(3&2^2 ) +√(7& 3^2 ).

Accepted Answer

5∙2^⅔+3^(2⁄7)

Answer

5∙2⅔+3

Answer

5^3∙2^½+7∙3^½

Answer

〖10〗^⅔+3^(2⁄7)