3.4 Do Now Flashcard: Quadratic Formula and Discriminate

Front

What is the Discriminant in a quadratic equation?

Back

Front

What does a Discriminant value of 0 indicate?

Back

A Discriminant value of 0 indicates that the quadratic equation has exactly one real solution (a repeated root).

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

Back

The Discriminant is -20.

Front

What is the formula for the quadratic equation?

Back

Front

What is the Quadratic Formula?

Back

Front

If the Discriminant is 54, what type of solutions does the equation have?

Back

The equation has two real solutions.

Front

If a graph of a quadratic function opens upwards and has no x-intercepts, what type of solutions does it have?

Back

It has two imaginary solutions.

Front

If a graph of a quadratic function touches the x-axis at one point, what type of solutions does it have?

Back

It has one real solution.