Quiz about Multiplying Monomials by Polynomials

Question 1

6m³n³* 8m²n³

Accepted Answer

48m5n6

Answer

48m5n9

Answer

48m6n6

Answer

none of the above

Question 2

3u⁴v⁵ * 7u²v³

Accepted Answer

none of the above

Answer

21u2v2

Answer

14u6v8

Answer

21u⁸v¹⁵

Question 3

-7x(3x² + 4x + 1)

Accepted Answer

-21x³ - 28x² - 7x

Answer

-10x³ + 11x - 7

Question 4

4m(3m⁷ + 2m⁵)

Accepted Answer

12m⁸ + 8m⁶

Answer

7m⁷ + 6m⁶

Question 5

7y(5y² + 2y + 3)

Accepted Answer

35y³ + 14y² + 21y

Answer

12y³ + 14y² + 21y

Question 6

5x(4x³ + 8)

Accepted Answer

20x⁴ + 40x

Answer

9x⁴ + 40x

Question 7

-2x²(-6x + 5)

Accepted Answer

12x³ -10x²

Answer

-12x³ + 10x²

Question 8

3a(5a² + 8a + 2)

Accepted Answer

15a³ + 24a² + 6a

Answer

10a³ + 24a + 6

Question 9

(3c²)(10c⁷)

Accepted Answer

30c9

Answer

13c9

Answer

30c5

Answer

-30c9

Question 10

REVIEW: Add the polynomials:

(2x² + 5x - 11) + (3x + 9)

Accepted Answer

2x² + 8x - 2

Answer

2x² + 8x - 20

Answer

2x² + 2x + 2

Answer

5x2 + 8x

Question 11

REVIEW: Add the polynomials:

(2x² + 5x - 11) + (3x + 9)

Accepted Answer

2x² + 8x - 2

Answer

2x² + 8x - 20

Answer

2x² + 2x + 2

Answer

5x2 + 8x

Question 12

REVIEW: Subtract the polynomials:

(k² + 8k + 1) - (3k² + 5k + 8)

Accepted Answer

-2k² + 3k - 7

Answer

-2k² + 13k - 9

Answer

-2k² + 13k + 7

Answer

2k² + 3k - 9

Question 13

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 14

-5x⁶(3x² - 12x + 30)

Accepted Answer

-15x⁸+ 60x⁷- 150x⁶

Answer

15x⁸- 60x⁷- 150x⁶

Answer

8x⁶- 17x + 35

Answer

-8x⁶+ 17x - 35x²

Question 15

Multiply.
-3x²(7x²- x + 4)

Accepted Answer

-21x⁴ + 3x³ -12x²

Answer

7x² - x + 4 (-3x²)

Answer

21x⁴+ 3x³+ 12x²

Answer

-12x²+ 3x³-21x⁴

Multiplying Monomials by Polynomials

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