ALGEBRA 1 SEMESTER 2 FINALz!!!!!!!!!!

Factor

k²+7x+10

• (k+2)(k+5)

• (k-2)(k-5)

• (k+10)(k+4)

• (k+2)(k-5)

Factor
n² + 16n + 63

• (n-7)(n+4)
• (n+7)(n-9)
• (n-3)(n-10)
• (n+7)(n+9)

Simplify:
(x - 7)(x + 7)

• x² + 7x - 49
• x² - 7x + 49
• x² - 49
• x² + 49

Multiply:
(3x – 1)(x + 5) 

• 3x² + 4x + 5
• 3x² + 4x - 5
• 3x² + 14x + 5
• 3x² + 14x - 5

Simplify:
(x - 9)(x - 7)

• x² - 2x - 63
• x² - 16x - 63
• x² - 2x + 63
• x² - 16x + 63

Multiply
(5x³)(4x⁵)

• 9x⁸
• 20x⁸
• 20x¹⁵
• 9x¹⁵

(-2x³y)⁴

• -8x¹²y⁴
• -8x⁷y⁵
• 16x¹²y⁴
• 16x⁷y⁵

5x(2x³+6)

• 10x⁴+30x
• 10x³+30x
• 7x⁴+11x

-5x³(2x²-9x+2)

• -10x⁶+45x³-10x³
• -10x⁵+45x⁴-10x³
• -10x⁵-45x⁴-10x³

Anything raised to a power of zero is always: 

• 0
• 1
• itself
• negative