Online Math Help & Tutoring
Today let’s work on graphing quadratic functions. A quadratic function is a quadratic equation where instead of 0 on one side of the equals sign, you have or . Remember: every point on a graph is an x, y pair that makes the function equation true. For purposes of demonstration, let’s use this function: First …
Three methods for solving quadratic equations: the quadratic formula (and a song!), using the zero product property, and using the square root method. Learn about all three techniques in this post!
“Completing the Square” is an algebra skill that you will need to use when you’re playing with quadratics, circles, and (other) conic sections. Once you get the hang of it it’s no big deal, but it can be a bit mystifying until then. Let’s clear it up, and then for a bonus, I’ll show you were the quadratic formula comes from.
The skill of factoring comes up again and again in math classes. There are easy ways to factor, and hard ways to factor; let’s make sure you know the easy ways! Basic factoring: Basic factoring is an investigation into what a collection of terms has in common. If all of the terms in an expression have a …