Quiz about Adding, Subtracting, and Multiplying Polynomials

Question 1

Multiply the following polynomials:

Accepted Answer

$$x^2-2x-24$$

Answer

$$x^2+10x-24$$

Answer

$$2x-2$$

Answer

$$x^2-24$$

Question 2

Multiply the following polynomials:

Accepted Answer

$$5x^2+38x+21$$

Answer

$$5x^2+21$$

Answer

$$5x^2+35x+21$$

Answer

$$6x^2+10$$

Question 3

Multiply the following polynomials:

Accepted Answer

$$x^2-10x+25$$

Answer

$$x^2-25$$

Answer

$$x^2+10x+25$$

Answer

$$x^2+25$$

Question 4

Multiply the following polynomials:

Accepted Answer

$$x^2-49$$

Answer

$$x^2+14x+49$$

Answer

$$x^2+49$$

Answer

$$x^2-14x+49$$

Question 5

Add or Subtract to Simplify:
(x + 2x²) + (4x² + 7x)

Accepted Answer

6x2 + 8x

Answer

8x2 + 6x

Answer

2x2 + 6x

Answer

2x2 + 8x

Question 6

Add: (3x² + 2x + 1) + (2x² - 4x - 5) + (3x - 1)

Accepted Answer

5x²+ x - 5

Answer

5x² + 6x - 7

Answer

8x²- 3x - 5

Answer

6x² + 8x + 5

Question 7

Question 7.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 8

Question 8.

Accepted Answer

J

Answer

F

Answer

G

Answer

H

Question 9

Simplify:

2x²(5x²+3x+4)

Accepted Answer

10x⁴+6x³+8x²

Answer

7x⁴+5x³+6x²

Answer

7x2+5x+6

Answer

10x2+6x+8

Question 10

When Multiplying Polynomials like (x - 2) (x + 9) which methods can you use? Choose ALL that are correct.

Accepted Answer

Box Method

Accepted Answer

FOIL

Answer

CLT

Answer

PEMDAS

Question 11

(2x + 3)(3x + 4)

Accepted Answer

6x² + 17x + 12

Answer

6x² + 17x + 7

Answer

6x² + 8x + 12

Answer

6x² + 9x + 12

Question 12

(4x + 3)(x + 2)

Accepted Answer

4x² + 11x + 6

Answer

x² + 11x + 6

Answer

4x² + 8x + 6

Answer

4x² + 3x + 6

Question 13

(x-7)(x+7)

Accepted Answer

x2-49

Answer

x2+49

Answer

x2-14x+49

Answer

x2-14x-49

Adding, Subtracting, and Multiplying Polynomials

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