How smart are you?

When you were back in middle and high school, maths probably looked like big trouble. Taking this test will make you find out how much you remember from back then, and if you need to revisit Algebra.

Do you think that you know everything from back then? Let's see! Take this test to find out if you actually do, and if you need to revise or not! Remember, revision will never harm, even if you believe you know everything!

Created by: Erik Konstantopoulos
What is your age?
Under 18 Years Old
18 to 24 Years Old
25 to 30 Years Old
31 to 40 Years Old
41 to 50 Years Old
51 to 60 Years Old
Over 60 Years Old
What is your gender?
Male
Female
1. (a + b) ^ 2 =
a ^ 2 + a * b + b ^ 2
a + 2 * a * b + b
2 * a ^ 2 + 2 * b ^ 2
a ^ 2 + 2 * a * b + b ^ 2
a ^ 2 + b ^ 2
2. (a - b) ^ 2 =
a ^ 2 - 2 * a * b - b ^ 2
a ^ 2 - b ^ 2
a ^ 2 + b ^ 2 - 2 * a * b
a ^ 2 - b ^ 2 + 2 * a * b
-2 * a ^ 2 * b ^ 2
3. a + b =
a * 1 + 2 * b - b
a + 1 + b - 1
b + a
(2 * a + 2 * b) / 2
a - (-b)
All of the above
4. sqrt(a) * sqrt(b) =
sqrt(a * b)
sqrt(a + b)
sqrt(a ^ 2 + b ^ 2)
sqrt(a ^ 2 * b ^ 2)
5. (a + b + c) ^ 2 =
a ^ 2 + 2 * a * b * c + c ^ 2
a ^ 2 + b ^ 2 + c ^ 2 + 2 * (a * b + a * c + b * c)
6. a ^ 0 =
a
0
1
-a
All of the above
7. a ^ 1 =
a
2 * a
a * a
-a
a + 1
All of the above
8. a ^ -b =
(-a) ^ b
-a ^ b
1 / a ^ b
a ^ (1 / b)
nroot(a, b)
All of the above
9. a ^ (1 / b) =
nroot(a, b)
log_b(a)
log_a(b)
1 / a ^ b
(1 / a) ^ b
10. 0! = 1, (x + 1)! =
x! + x + 1
x! + x
x! * x
x! * (x + 1)
x! ^ 2

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