8.04 Practice

Which of the following is not the same as "solution"?

The solutions of a quadratic equation are known as the _____.

How many roots does y=x² + 2x - 3 have?

How many roots does y=x² - 8x + 16 have?

How many zeros does this parabola have?

Which is a zero of the graph?

What are the green dots called?

What are the x- intercepts?

Evaluate x=-1 when y=x²+x-12

Evaluate x=-4 when y=-x²+2x-8

In the equation

y = x² +5x +7, match each leading coefficient with its correct letter

The discriminant is

A function has a discriminant of 25.

______________

How many solutions does it have?

What is the discriminant of 6x² − 2x − 3 = 0

What is the discriminant of -2x² − x − 1 = 0

For the function below, is the discriminant positive, negative, or zero?

___________

y = x² + 4x + 4

____________

For the function above, is the discriminant positive, negative, or zero?