Polynomial Multiplication

• Add the exponents if you have the same base

• Ex. (x⁵) (x³) ⁼

• Ex. (2x⁵) (4x³) ⁼

• Don't forget!! (x)(x)=x² NOT 2x

• x+x=2x

​Let's review multiplying exponents...

Multiple Choice

$$x\ \times\ x\ =$$  

• x²

• 2x

Multiple Choice

$$x\ +\ x\ =$$  

• 2x

• x²

Multiple Choice

Which expression is equivalent to

$$x^3\ \times\ x^{5\ }=$$  

• x⁸

• x²

• 2x

• 8x

Multiple Choice

x(3x+2)

• 6x³

• 3x²+2x

• x³y³+5x²y³-xy⁵

• 3x+2x

Multiple Choice

2x(x+5)

• 2x²+5

• 2x²+10x²

• 2x³+5

• 2x²+10x

Multiple Choice

(x-7)(x-1)

• x-8x+7

• x²+7

• x²-7x+7

• x²-8x+7

Multiple Choice

(3x+5)(2x-8)

• 6x²+14x+40

• 6x²-34x-40

• 6x²-14x-40

• 6x²-40

Multiple Choice

(x-4)²

• x²+16

• x²-8x

• x²-8x+16

• x²+8x-16

Multiple Choice

A rectangle has side lengths of (x - 9) and (x - 7). What is the area?

• x² - 2x - 63

• x² - 16x - 63

• x² - 2x + 63

• x² - 16x + 63