Log In

My Passes

Sign Up
Learning Guides
Teacher Resources
Test Prep
College Readiness
Schools & Districts
All of Shmoop
Literature
Bible
Poetry
Shakespeare
Mythology
Bestsellers
Dr. Seuss
PreAlgebra
Algebra
Algebra II
Geometry
Biology
US History
Flashcards
DMV
Careers
SAT
ACT
AP Exams
En Español
Essay Lab
Videos
Literary Critics
Shmoop Shtuff
Cite This Page
To Go
Quadratic Formula and Functions
Home
Algebra II
Quadratic Formula and Functions
Topics
Intro
Topics
Examples
Exercises
Terms
Best of the Web
Quizzes
Handouts
Table of Contents
ADVERTISEMENT
Quadratic Formula and Functions Topics
Imaginary and Complex Numbers
It's finally come to this, has it? We've run out of actual numbers to throw at you, so now we're just going to make some numbers up? Not really. Imaginary numbers, despite the name, are totally leg...
Solving Quadratic Equations
A quadratic equation is a polynomial of degree 2. It always has an x2 term, but no larger exponents. Another way to write that, with more letters but fewer words, is that a quadratic equation has t...
Quadratic Functions
So, you already know about functions. They sit there, looking all y = f(x), showing a relationship between the variables x and y. We also have this quadratic equation just sitting here, not doing a...
QuadraticLike Equations
Sometimes you'll meet an equation that you think you don't know and you'll start up a conversation. After a few minutes of talking, though, it finally hits youâ€”this is just like a quadratic equat...
Quadratic Inequalities
Remember back when we looked at linear inequalities, that we said, "we promise we'll try to make your brain hurt more later?" Well grab an ice pack and strap in, because now we're going to...
In the Real World
A quadratic equation can be used to describe the arc that a ball travels in the air, with x being the distance it moves and y its height. You can also relate the ball's height, y, to the amount of...
Need help with College?