Quiz about Multiplying Polynomials

Question 1

(x - 7)(x + 7)

Accepted Answer

x2 - 49

Answer

x² + 7x - 49

Answer

x² - 7x + 49

Answer

x2 + 49

Question 2

(x - 4)(x - 6)

Accepted Answer

x² -10x + 24

Answer

x² - 10x - 24

Answer

x² +10x + 24

Answer

x² + 10x - 24

Question 3

(x - 3)(x +10)

Accepted Answer

x² + 7x - 30

Answer

x² - 7x + 13

Answer

x² - 6x - 30

Answer

x² + 13x + 30

Question 4

(x + 5)(x + 4)

Accepted Answer

x² + 9x + 20

Answer

x² + x + 20

Answer

x² + 20x + 9

Answer

x² - 9x + 54

Question 5

Simplify:

2x ( -2x -3)

Accepted Answer

-4x2 - 6x

Answer

-4x - 3

Answer

x2 - 3

Answer

-4x - 6

Question 6

(x +2)(x + 3)

Accepted Answer

x² + 5x + 6

Answer

x² + x + 6

Answer

x² + 5x + 5

Answer

x² + 6x + 6

Question 7

(5x+2)(x²-3x+6)

Accepted Answer

5x³ - 13x² + 24x +12

Answer

5x³- 17x²+24x +12

Answer

5x³+ 17x² - 24x +12

Answer

5x³ +13x² - 24x - 12

Question 8

Simplify the expression.
-3x²( 7x²- x + 4)

Accepted Answer

-21x⁴ + 3x³ -12x²

Answer

7x² - x + 4 (-3x²)

Answer

21x⁴+ 3x³+ 12x²

Answer

-12x²+ 3x³-21x⁴

Question 9

5x(2x3+6)

Accepted Answer

10x4+30x

Answer

10x3+30x

Answer

7x4+11x

Question 10

Multiply
(4x+3)(2x-1)

Accepted Answer

8x2+2x-3

Answer

8x2-2x-3

Answer

8x-3

Answer

8x2+6x-3

Question 11

-5x⁶(3x² - 12x + 30)

Accepted Answer

-15x⁸+ 60x⁷- 150x⁶

Answer

15x⁸- 60x⁷- 150x⁶

Answer

8x⁶- 17x + 35

Answer

-8x⁶+ 17x - 35x²

Question 12

(x+10)(x-10)

Accepted Answer

x2 - 100

Answer

x2 + 100

Answer

x² + 20x - 100

Answer

x² -20x + 100

Question 13

(x-4)(x+1)

Accepted Answer

$$x^2-3x-4$$

Answer

$$x^2-4x+5$$

Answer

$$x^2-4x+1x-4$$

Question 14

(x-6)(x-2)

Accepted Answer

$$x^2-8x+12$$

Answer

$$x^2-6x-8$$

Answer

$$x^2-6x-2x+12$$

Question 15

(3n-4)(3n-4)

Accepted Answer

$$9n^2-24n+16$$

Answer

$$3n^2-4x+8$$

Answer

$$n^2-24n+16$$

Multiplying Polynomials

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