Polynomial Addition and Multiplication

(x+3)(x-5)

• x²-8x-15

• x²+8x-15

• x²+2x+15

• x²-2x-15

(2x-1)(5x+3)

• 10x²+x-3

• 10x²+11x-3

• 10x²-x-3

• 10x²+x+3

Find the product:
(x + 7)²

• x² + 7x + 7x + 49

• x² + 7x + 7

• 7x² + x + 7

• x² + 14x + 49

How many terms are there?

• 5

• 6

• 4

• 7

Find the product:
(5n-8)(5n+8)

• 25n²-64

• 10n²

• 5n²+16

• 16

Find the product:
(3r-4)(7r-5)

• 21r²-43r+20

• 21r+43r²+9

• 7r+12r

• r+2r

Find the product:
(2x+3)²

• 2x+3+2x+3

• 4x²+12x+9

• 4x²+9

• 16x²+9

When you multiply polynomials, what do you do with the exponents?

• Add them

• Multiply them

• Nothing

When you multiply polynomials, what do you do with the coefficients?

• Add them

• Multiply them

• Nothing

If you multiply a monomial times a binomial, how many terms will the product have?

• one

• two

• three

• four