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# ZingPath: Quadratic Equations

## Solving Quadratic Equations by Completing the Square                         Searching for

## Quadratic Equations

Learn in a way your textbook can't show you.
Explore the full path to learning Quadratic Equations

Algebra-1

### Learning Made Easy

You will solve quadratic equations in one variable by completing the square.

### Now You Know

After completing this tutorial, you will be able to complete the following:

• Determine the necessary term to complete the quadratic expression into a perfect square.
• Solve a quadratic equation with leading coefficient 1 in one variable by completing the square.
• Solve a quadratic equation with leading coefficient other than 1 in one variable by completing the square.

### Everything You'll Have Covered

The quadratic formula, the formula for a circle, formula for an ellipse, or even the extreme values of a polynomial can all be found by completing the square. This technique from elementary algebra is powerful and elegant.  ### Tutorial Details

 Approximate Time 30 Minutes Pre-requisite Concepts Students should be able to find square roots of integers and algebraic expressions; identify perfect squares, the parts of a polynomial, and quadratic polynomials; define/solve linear equations; write polynomials in standard form; and multiply polynomials. Course Algebra-1 Type of Tutorial Procedural Development Key Vocabulary complete the square, complete the square to solve quadratic equations, perfect square