Pretest: Polynomials

Enter the correct answer in the box. Write the expression 12-2 in simplest form.

1/144

Select the correct answer. Which expression is equivalent to the given expression?

A. 20c/d

Select the correct answer. Simplify the expression (4x − 3)(x + 5).

A. 4x^2 + 17x − 15

Select the correct answer. What is the complete factorization of 36y2 − 1?

B. (6y + 1)(6y − 1)

Select the correct answer. Select the simplification that accurately explains the following statement. 9=9 1/2

B. (9^1/2)^2= 9^1/2 * 9^1/2 = 9^1/2 + 9^1/2 = 9^2/2 = 9^1 = 9

Select the correct answer. What is the complete factorization of x2 − 6x + 9?

D. (x − 3)^2

Select the correct answer. Simplify the expression below. 4x(3x − 7) − 19x2

D. -7x^2 − 28x

Select the correct answer. Which expression is equivalent to the given expression? Assume the denominator does not equal zero.

D. 2x^6 y^2

Write the expression (x4)8 in simplest form.

x^32

Select the correct answer. What is the simplest form of this expression? (x − 4)(x2 + 3x − 5)

D. x^3 − x^2 − 17x + 20

Select the correct answer. Which sum or difference is modeled by the algebra tiles?

I got this question wrong The answer is NOT (x2 − 2x − 3) − (x2 + 4x + 2) = 2x − 1

Type the correct answer in the box. Rewrite the following expression using the properties of rational exponents. Be sure your answer is in simplest form. (2 ⋅ 6)32

I got this question wrong Then answer is NOT 4^18

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. The factors of 5y2 − 2y − 7 are (5y − 7) and

( y+1 )

Enter the correct answer in the box. What is the factored form of this expression? x2 + 15x + 56 Substitute numerical values into the expression for p and q.

(x+8)(x+7)

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. Subtracting 3x2 + 4x - 5 from 7x2 + x + 9 results in a polynomial. After subtracting 4x2 - 3x from this polynomial, the difference is

14

Drag each label to the correct location on the table. Each label can be used more than once, but not all labels will be used. Classify each polynomial by its degree and number of terms.

7/4x+3-linear-binomial 5.2x^2-4x+2.5-quadratic-binomial 3/5-constant-monomial 0.75x^2-quadratic-monomial

Select the correct answer. Simplify the expression -4x2(3x − 7).

B. -12x^3 + 28x^2

Select the correct answer. Simplify the following expression. 7−56 ⋅ 7−76

B. 1/49

Select the correct answer. Which expression is equivalent to this polynomial? (4x + 3)(3x − 8)

B. 12x^2 − 23x − 24

Select the correct answer. Which expression shows the factors of 2y2 − 2y − 4?

B. 2(y − 2)(y + 1)

Select the correct answer. Which expression is equivalent to this polynomial? 15x − 24

B. 3(5x − 8)

Select the correct answer. What is the factored form of this polynomial? x2 + 5x − 36

C. (x − 4)(x + 9)

Select the correct answer. What is the simplified form of this expression? (5x2 + 2x + 11) − (7 + 4x − 2x2)

C. 7x2 − 2x + 4

Select the correct answer. Rewrite the following expression.

D. x 7 √x^2