Monomial Times Trinomial

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

• one

• two

• three

• four

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

• Add them

• Multiply them

• Nothing

What is the name of a polynomial with three terms?

• monomial

• binomial

• trinomial

• cubic

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²

• 7x² - x + 4 (-3x²)

• 21x⁴ + 3x³ + 12x²

• -12x² + 3x³ -21x⁴

Multiply

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5x(4x³ + 8)

• 9x⁴ + 40x

• 20x⁴ + 40x

-6x(x² - 7x)

• -6x³ + 42x²

• -6x³ - 42x²

Mult (2x + 3)(3x + 4)

• 6x² + 17x + 7

• 6x² + 17x + 12

• 6x² + 8x + 12

• 6x² + 9x + 12

Multiply:
(3x – 1)(x + 5) 

• 3x² + 4x + 5

• 3x² + 4x - 5

• 3x² + 14x + 5

• 3x² + 14x - 5

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

• 1

• 2

• 3

• 4