Algebra 2 - Final Exam Review Set 2

Simplify

(2a²b⁴z)(6a³b²z⁵)

• 8a⁵b⁶z⁶

• 12a⁶b⁸z⁵

• 8a⁶b⁸z⁵

• 12a⁵b⁶z⁶

(5³x²y⁴)⁰

• 5xy
• 1
• 0
• 5

What is the complex conjugate of  4-3i?

• A.  1/(4-3i)
• B. 1/(4+3i)
• C.  -4 + 3i
• D.  4 + 3i

(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

(1-3i)(2+5i)

• 22-i
• 16-i
• 17-i

(-5 + 10i)(-5 - 10i) = 125

• True

• False

Simplify: $\frac{\frac{x}{x-1}+\frac{3}{x+5}}{\frac{5}{x+5}-\frac{x}{x-1}}$  

•  $\frac{x^2+2x+15}{-x^2-5}$  

•  $\frac{x^2+8x-3}{x^2+10x-5}$  

•  $\frac{x^2+2x+15}{x^2+10x-5}$  

•  $\frac{x^2+8x-3}{-x^2-5}$