Polynomials and Quadratics Review

Multiply
(x+4)(x-2)

• x²-2x-8
• 2x+2
• x²+2x-8
• x²+6x-8

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

• 2x²+5x-3
• 2x-3
• 2x²+6x-3
• 2x²-5x-3

Multiply
(x+5)²

• x²+25
• x²-25
• x²+10x+25
• x²-10x+25

Multiply
(x²-2x+1)(x+1)

• x³-x²-x+1
• x³-2x+2
• x³+x²+x+1
• x³-3x²-3x+1

(7x)²

• 7x²
• 14x²
• 49x²
• 14x

Find the sum of the polynomial.
(-6x²+3x- 7) +(10x²+4x-2)

• 14x²+7x+5
• 4x²+7x-9
• 4x⁴+7x²-9

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

In the quadratic equation 2x² + 4x -15, the "a" is:

• x²

• 2

• 4

• -15

In the quadratic -6x² - 4x + 15, the "b" is:

• 15

• -6

• 4

• -4

In the quadratic equation y = 4x² + 15, the "c" is:

• y

• 4

• 15

• 60