7.02 Practice

7.02 Practice

Multiplying Monomials with Polynomials

Multiple Choice

When you distribute you ___________ the coefficients.

• add

• subtract

• multiply

• divide

Multiple Choice

The product rule states to ___________ the exponents.

• add

• subtract

• multiply

• divide

Multiple Choice

2x²(x+5)

• 2x²+5

• 2x²+10x²

• 2x³+5

• 2x³+10x²

2x²(x+5)

2x²(x)+2x²(5)

2x²⁺¹+10x²

2x³+10x²

Multiple Choice

10x(2x²+3x+4)

• 20x³+30x²+40x

• 20x²+30x+40

• 12x³+13x²+14x

• 12x²+13x+14

10x(2x²+3x+4)

10x(2x²)+10x(3x)+10x(4)

20x¹⁺²+30x¹⁺¹+40x

20x³+30x²+40x

Multiple Choice

-8x(x - 8)

• -8x² + 64x

• -8x² - 64

-8x(x - 8)

-8x(x) - 8x(-8)

-8x¹⁺¹+64x

-8x²+64x

Multiple Choice

-6y(y⁵ + 8y)

• -6y⁶ - 48y²

• -6y⁶ - 48

-6y(y⁵ + 8y)

-6y(y⁵) - 6y(8y)

-6y¹⁺⁵ - 48y¹⁺¹

-6y⁶-48y²

Multiple Choice

-2x(5x² + 8)

• -10x³ -16x

• -10x² - 16

-2x(5x² + 8)

-2x(5x²) - 2x(8)

-10x¹⁺² - 16x

-10x³ - 16x

Multiple Choice

4m(3m⁷ + 2m⁵)

• 7m⁷ + 6m⁶

• 12m⁸ + 8m⁶

4m(3m⁷ + 2m⁵)

 $4m\left(3m^7\right)+4m\left(2m^5\right)$  
 $12m^{\left(1+7\right)}+8m^{\left(1+5\right)}$  
 $12m^8+8m^6$  

Multiple Choice

7y(5y² + 2y + 3)

• 35y³ + 14y² + 21y

• 12y³ + 14y² + 21y

Multiple Choice

3x(2x² + 9x + 6)

• 6x³ + 27x² + 18x

• 6x³ + 18x² + 9

Multiple Choice

5x(4x³ + 8)

• 9x⁴ + 40x

• 20x⁴ + 40x

Multiple Choice

3a(5a² + 8a + 2)

• 15a³ + 24a² + 6a

• 10a³ + 24a + 6