Solving quadratic equations can lead to complex solutions. Listen to Sal break down the process using the quadratic formula and standard form. Then, learn how to verify these complex …

Solve quadratic equations using the quadratic formula. Some of the equations have real solutions while others have complex solutions.

The formula is the easiest way to solve the quadratic equation. It works for all types of equations and can even be used to find out if the equation has a real solution or not.

We'll learn what imaginary and complex numbers are, how to perform arithmetic operations with them, represent them graphically on the complex plane, and apply these concepts to solve …

Why do we need complex numbers to solve some quadratic equations? Some quadratic equations don't have any "real" solutions, but they do have complex solutions. For example, x …

Solve quadratic equations, model situations, and explore complex numbers and quadratic inequalities. **Unit guides are here!** Power up your classroom with engaging strategies, …

Practice Up next for you: Parts of complex numbers Get 3 of 4 questions to level up!

Solve quadratic equations by inspection, taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation.

Quadratic equations with complex numbers Learn Solving quadratic equations: complex roots

This topic covers: - Solving quadratic equations - Graphing quadratic functions - Features of quadratic functions - Quadratic equations/functions word problems - Systems of quadratic …