Exponents and Polynomials Review

Multiply (x + 5)(x + 4)

• x^2 + 9x + 20

• x^2 + 20x + 9

• x^2 + x + 20

• 8x⁴
• 8x⁸
• 6x⁴
• 6x⁸

Multiply (x - 6)(x - 7)

• x² + 13x + 13

• x² + x - 13

• x² - 13x + 42

Find the product. 
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²

• 7x² - x + 4 (-3x²)

• 21x⁴ + 3x³ + 12x²

• -12x² + 3x³ -21x⁴

Find the product. 
(x - 4)²

• x² - 16

• x² + 16

• x² - 8x + 16

• x² + 8x - 16

According to exponent rules, when we raise a power to a power we _______ the exponents.

• add

• subtract

• multiply

• divide

According to exponent rules, when we multiply powers we _______ the exponents.

• add

• subtract

• multiply

• divide

According to exponent rules, when we divide powers we _______ the exponents.

• add

• subtract

• multiply

• divide

(6x²)(-3x⁵)

• 18x⁷

• -18x⁷

• 18x⁷

• 3x⁷

Simplify so there are no negative exponents in the answer.