Quadratic Formula and Discriminant

Front

The discriminant is

Back

b² - 4ac

Front

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

Back

Negative

Front

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

Back

Zero

Front

For the function y = x² + 4x + 4, is the discriminant positive, negative, or zero?

Back

Zero

Front

Discriminant of -2x² − x − 1 = 0

Back

-7

Front

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

Back

76

Front

If the discriminant is positive, then the solution will be

Back

two real solutions

Front

A function has a discriminant of 25.
______________
How many solutions does it have?

Back

2

Front

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

Back

a=1, b=5, c=7

Front

Determine the values of a, b, and c for the quadratic equation: 4x² – 8x = 3

Back

a = 4, b = -8, c = -3