Adding Subtracting Multiplying Polynomials

(5x⁴ - 4x³ - 2x² + x - 19) - (x⁴ + 5x³ + 8x² + x + 5)

• 4x⁴ - 9x³ - 10x² - 24

• 4x⁴ - 9x³ - 10x² - 2x - 24

• 4x⁴ - 9x³ - 10x² + 2x - 24

• -4x⁴ - 9x³ - 10x² - 24

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3

• 4y² + 3y³ - y + 3

• -y⁴ + 2y³ -y - 4

• 4y³ + 3y² -3y + 1

(7v⁴ + 8v + 8v²) - (2v² + 2 + 2v)

• 7v⁴ + 8v² + 9v - 2

• 7v⁴ + 6v² + 6v - 2

• 7v⁴ + 8v² + 9v + 2

• 7v⁴ + 8v² + 6v - 2

Simplify:
(3x - 5) ( 4x² - 2x - 3)

• 12x³ - 26x² - 25x + 15

• 12x³ - 20x² - 5x + 15

• 12x³ - 20x² - 6x + 15

• 12x³ - 26x² + x + 15

Find the product of the following polynomials:

(3x+2)(x-9)(2x+4)

• -136x+6x³-72+6x³

• 6x³-38x²-136x-72

• 6x³+38x²+136x+72

• -38x²-136x+6x³-72

When you multiply polynomials you do what with the exponents?

• add

• subtract

• multiply

• divide

when you divide polynomials you do what with the exponents

• add

• subtract

• multiply

• divide

which is the following is a polynomial

• 2x+3x^2

• 5

Find the sum of 16y² and -5y².

• -11y²

• 21y²

• 11y²

• 16y² - 5y²

Subtract 9a from -16a.

• -25a

• -7a

• 25a

• 7a