A2 - Using the Quadratic Formula

Front

Back

a = 1, b = -1, c = 7

Front

What is the Quadratic Formula?

Back

Front

Back

Front

Back

a = 3, b = -4, c = 5

Front

Back

a = 2, b = 10, c = -3

Front

What does the discriminant in the Quadratic Formula represent?

Back

Front

If the discriminant is positive, what can be said about the roots of the quadratic equation?

Back

The quadratic equation has two distinct real roots.

Front

If the discriminant is zero, what can be said about the roots of the quadratic equation?

Back

The quadratic equation has exactly one real root (a repeated root).

Front

If the discriminant is negative, what can be said about the roots of the quadratic equation?

Back

The quadratic equation has two complex (non-real) roots.

Front

What is the standard form of a quadratic equation?

Back