Quadratic Formula

Front

What is the Quadratic Formula?

Back

Front

Identify the 'a' value in the equation: y = 16x^2 - 8x - 24

Back

The 'a' value is 16.

Front

Identify the 'b' value in the equation: y = 16x^2 - 8x - 24

Back

The 'b' value is -8.

Front

Identify the 'c' value in the equation: y = 16x^2 - 8x - 24

Back

The 'c' value is -24.

Front

What does completing the square mean?

Back

Front

Solve by completing the square: x^2 - 8x - 20 = 0

Back

x = {-2, 10}.

Front

Solve using the Quadratic Formula: x^2 + 4x - 40 = -8

Back

x = {-8, 4}.

Front

What is the discriminant in the Quadratic Formula?

Back

Front

What does a positive discriminant indicate?

Back

A positive discriminant indicates that the quadratic equation has two distinct real roots.

Front

What does a zero discriminant indicate?

Back

A zero discriminant indicates that the quadratic equation has exactly one real root (a repeated root).