• ## How To Find an Inverse Function

Inverse functions give students a lot of trouble, so here’s a quick run down of what an inverse function is, and how to find it. Say…

• ## 4 Sneaky Tricks for Proving Trig Identities

Proving trigonometry identities can be a pain.  Sometimes they’re straight forward, other times they make you want to tear your hair out.  Before you tear your…

• ## Adding and Multiplying and Exponents, oh my!

What up Brightstormers.  Long time no see.  This one’s going to be super short.  I see people get confused all the time though, so just a…

• ## What’s So Funny ‘Bout FOIL?

FOIL.  First, outside, inside, last.  This might just seem like another arbitrary thing you have to memorize, but FOIL is really just the application of the…

• ## Smash Those Fractions (clearing the denominator)

If you love fractions and you know it, clap your hands!! … *crickets* … Yeah that’s what I thought.  Nobody likes fractions.  So when you come…

• ## The Chain Rule and You

So you’re taking calculus.  Everything’s going great.  Limits?  No problem.  Power rule? Product Rule? Quotient rule?  Easy as π (get it?).  But then the chain rule…

• ## What’s the Rational Roots Theorem good for anyway?

Let’s suppose you’ve got a polynomial function on your hands, something like this: f(x) = 3x^4 – 11x^3 +10x – 4 And you have to find…

• ## How to Boost Your SAT Score on Test Day (Part 4)

If you don’t know how to solve a math problem on the SAT, here’s a convenient trick that’s super easy to use. If there are variables…

• # Brightstorm Genie – Your Private Math Tutor Without The Hassle

Genie is Brightstorm’s new feature that helps you with your math homework. Just upload an image of the math problem in your textbook or type the…

• # Sample Precalculus Problem: Introduction to Sequences

Hey there, Precalculus-studiers! Watch as Brightstorm Math teacher Carl Horowitz explains notations used in sequences. This Introduction to Sequences covers the definition of a sequence and…