Quiz

Question 1 · easy

Find the excluded values of 1/(x^2 - 16).

Question 2 · easy

Simplify: (x^2 - 9)/(x + 3)

Question 3 · medium

Multiply: (x+2)/(x-1) * (x^2-1)/(x+2)^2

Question 4 · medium

Divide: (x^2-4)/(x+1) / (x-2)/(x+1)

Question 5 · easy

Add: 3/(x+2) + x/(x+2)

Question 6 · medium

Find the LCD of 2/(x-3) and 5/(x^2-9).

Question 7 · medium

Add: 1/(x-1) + 2/(x+1)

Question 8 · easy

Solve: 4/x + 1 = 5/x

Question 9 · medium

Solve: 2/(x+1) = 3/(x+2) — check for extraneous solutions.

Question 10 · medium

Worker A completes a job in 5 hours. Worker B takes 10 hours. How long together?