Solving Quadratic Equations

To find zeros of a quadratic function, look for values
of x that make y=0. To do this, substitute 0 for y in
the function. The result is called a quadratic
equation.

Quadratic function	Quadratic equation

Sometimes, you can write a Quadratic Equation so
the x² term is on one side and a constant is on the
other side. Then, you can use square root to find the
solution of the quadratic equation. You solve the
equation by finding the square root of the constant.

Example: solve x²-25=0

Solution:x²-25=0

The solutions are +5 and -5