Alg 2 Honors Flashcard 4

Front

What is the general form of a quadratic equation?

Back

Front

What is the discriminant of a quadratic equation?

Back

Front

What does a positive discriminant indicate?

Back

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

Front

What does a negative discriminant indicate?

Back

A negative discriminant indicates that the quadratic equation has two complex (imaginary) solutions.

Front

What does a zero discriminant indicate?

Back

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

Front

Solve the equation: 2x^2 + 23 = 5

Back

Front

For the function y = x² + 4x + 4, what is the discriminant?

Back

The discriminant is zero, indicating one real solution.

Front

What does the discriminant tell us about a quadratic equation?

Back

The discriminant tells us the number and type of solutions of the quadratic equation.

Front

Simplify: ± 2√8

Back

The simplified form is ± 4i√2.

Front

What is the vertex form of a quadratic function?

Back