finding solutions to quadratics

Front

What are the solutions, roots, x-intercepts, and zeros of a quadratic equation?

Back

They are all the same thing; they refer to the values of x where the quadratic equals zero.

Front

Back

Front

How do you find the zeros of a quadratic equation?

Back

Set each factor equal to zero and solve for x.

Front

Back

Make it equal 0 by subtracting 3 from each side.

Front

Back

Front

What is a quadratic equation?

Back

Front

What does it mean for a quadratic to be factored?

Back

Front

What is the quadratic formula?

Back

Front

What is the discriminant in a quadratic equation?

Back

Front

What does a positive discriminant indicate?

Back

It indicates that the quadratic has two distinct real roots.