Solving a Quadratic Equation
What are all solutions to the equation $$ (x+2)^2 = 16$$?
A
The solutions are $$x = -6$$ and $$x = 2$$.
B
The solutions are $$x = -2$$ and $$x = 2$$.
C
The solutions are $$x = 2$$ and $$x = 6$$.
D
The only solution is $$x = 2$$.
Question Leaderboard
| Rank | |||||
|---|---|---|---|---|---|
| #1 | chunxiangxu.cxu | 3 | 5 | 0m 45s | 235 |
| #2 | itznayshagupta | 2 | 2 | 0m 00s | 200 |
| #3 | nkatikitala2011 | 2 | 2 | 1m 00s | 140 |
| #4 | vidushi.venya | 1 | 1 | 0m 00s | 100 |
| #5 | 31woojunseo | 1 | 1 | 0m 09s | 91 |
| #6 | vaibhav.vemuri | 1 | 1 | 0m 10s | 90 |
| #7 | andrew.hsia9 | 1 | 1 | 0m 11s | 89 |
| #8 | giaawarikoo | 1 | 1 | 0m 13s | 87 |
| #9 | mihikadarbha | 1 | 1 | 0m 19s | 81 |
| #10 | danurizayo | 1 | 1 | 0m 23s | 77 |
Items per page:
10
1 – 10 of 42
APFIVE