Math 2 - Unit 4 Review

Front

What does the discriminant of a quadratic function indicate about its x-intercepts?

Back

The discriminant indicates the nature of the roots of a quadratic function. If the discriminant is positive, there are 2 real x-intercepts; if it is zero, there is 1 real x-intercept; if it is negative, there are 0 x-intercepts.

Front

What is the value of the discriminant for a quadratic function with 0 x-intercepts?

Back

The value of the discriminant is negative.

Front

If the discriminant is 0, how many real solutions does the quadratic function have?

Back

1 Real Solution.

Front

What type of solutions does a quadratic function have if the discriminant is negative?

Back

2 Imaginary Solutions.

Front

Which quadratic equation can NOT be solved using the square root property?

Back

Front

What is the process of completing the square?

Back

Front

Back

Front

Back

Front

What does a positive discriminant indicate about the roots of a quadratic equation?

Back

A positive discriminant indicates that the quadratic equation has 2 distinct real roots.

Front

What does a zero discriminant indicate about the roots of a quadratic equation?

Back

A zero discriminant indicates that the quadratic equation has exactly 1 real root (a repeated root).