Helping you master the basics of math!

Genuinely curious: If .9 repeating = 1, what does .8 repeating = ? Reddit r/askmath
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Genuinely curious: If .9 repeating = 1, what does .8 repeating = ? Reddit r/askmath
Doubt or done? Be careful with (x+2)^(x-3)=(2x-5)^(x-3) Reddit r/askmath
5:22
Doubt or done? Be careful with (x+2)^(x-3)=(2x-5)^(x-3) Reddit r/askmath
Local min & max of a cubic function but no calculus!
3:44
Local min & max of a cubic function but no calculus!
I asked chatGPT for a hard exponential equation
4:56
I asked chatGPT for a hard exponential equation
I got annoyed
1:35
I got annoyed
Huh? What did my kid do wrong? Or was the teacher wrong? Reddit r/askmath
4:35
Huh? What did my kid do wrong? Or was the teacher wrong? Reddit r/askmath
Don't get tricked by this trig inequality!
5:36
Don't get tricked by this trig inequality!
New notation just dropped! 4^3^2^1=4^!? Reddit r/mathmemes
4:51
New notation just dropped! 4^3^2^1=4^!? Reddit r/mathmemes
The change of base formula for logarithm!
3:59
The change of base formula for logarithm!
Which is bigger: sin(e) or sin(pi)?
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Which is bigger: sin(e) or sin(pi)?
What part of this is wrong? Solving e^x+e^(x+1)=7. Reddit Exponential equation A-Level Maths
4:17
What part of this is wrong? Solving e^x+e^(x+1)=7. Reddit Exponential equation A-Level Maths
Proving n factorial is bigger than 2^n
5:51
Proving n factorial is bigger than 2^n
Can the sum and product of two numbers both equal 1?
5:57
Can the sum and product of two numbers both equal 1?
Trig identity challenge
5:59
Trig identity challenge
Be careful when solving this exponential equation! Reddit r/askmath
7:42
Be careful when solving this exponential equation! Reddit r/askmath
Don't factor a cubic polynomial wrong!
6:31
Don't factor a cubic polynomial wrong!
Can x^-2=-x^2?
6:48
Can x^-2=-x^2?
I got 54. Some got 72. What is the answer? Find the missing angle! Reddit geometry r/askmath
4:13
I got 54. Some got 72. What is the answer? Find the missing angle! Reddit geometry r/askmath
The WORST way of solving a quadratic equation
5:19
The WORST way of solving a quadratic equation
Well no, but actually yes 3!=3+2+1? Factorial vs triangular number. Reddit r/mathjokes
4:14
Well no, but actually yes 3!=3+2+1? Factorial vs triangular number. Reddit r/mathjokes
Believe in algebra, NOT calculators
6:49
Believe in algebra, NOT calculators
In my homework, they ask me to prove equations with trig identities
5:33
In my homework, they ask me to prove equations with trig identities
My precalculus students all missed a point
10:20
My precalculus students all missed a point
What The Factorial Equation!
4:59
What The Factorial Equation!
Solving a hard exponential equation 8^?+2^?=30
6:26
Solving a hard exponential equation 8^?+2^?=30
Believe in triangle, NOT formula!
6:11
Believe in triangle, NOT formula!
Be careful when we rationalize the denominator with a cube root
7:28
Be careful when we rationalize the denominator with a cube root
You only need 5 seconds! How to find the inverse of a simple rational function
3:48
You only need 5 seconds! How to find the inverse of a simple rational function
How to find the domain, vertical asymptotes, and holes of a rational function (pre calculus)
21:38
How to find the domain, vertical asymptotes, and holes of a rational function (pre calculus)
How to solve a system of square root equations (not the usual substitution)
3:16
How to solve a system of square root equations (not the usual substitution)