Multiplying and Dividing Polynomials with Exponents

What is the product of 5x and (-3x² - 4x + 5) ?

• -15x³ - 20x² + 25x

• 15x³ + 20x² + 25x

• -15x² - 20x - 25

• 15x² + 20x - 25

Find the product of (3x – 2) and (3x² - 4x + 5) ? Use the area model. "NWNC"

• 9x³ - 18x² + 23x - 10

• -9x³ + 18x² + 23x - 10

• 9x² - 18x + 13

• 9x⁴- 18x³ + 23x² - 10x

What is the product of -x and x²?

• -x³

• x

• x³

• -x

The product of x² and x² is x⁴, because

• the exponents are multiplied.

• the exponents are added.

• the exponents are divided.

• the exponents are subtracted.

When multiplying polynomials, what is the exponent law you must apply to the variables?

• Multiply the exponents

• Add the exponents

• Divide the exponents

• Subtract the exponents

2n⁴ * 5n⁴

• 7n⁴

• 10n¹⁶

• 10n⁸

• none of the above

( - 3x⁸ )( - 2x⁴ )

• - 5x¹²

• 5x¹²

• - 6x¹²

• 6x¹²

( 6x³ )( 2x² )

• 12x⁵

• 8x⁵

• 12x⁶

• 8x⁶

When you are multiplying polynomials, you need to ​ (a)   the exponents.

• add

• divide

• keep

What is the product of x and x - 4?

• x²

• x²-4x

• 2x-4x

• 2x²-4x