Quadratic formula

Front

What is the discriminant in a quadratic equation?

Back

b² - 4ac

Front

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

Back

-7

Front

A function has a discriminant of -3.
How many x-intercepts does it have?

Back

0

Front

If the discriminant is positive, then the solution will be

Back

two real solutions

Front

Back

A

Front

How many solutions does the equation 4x² + 4x + 1 = 0 have?

Back

1

Front

Back

C

Front

Back

x = 5.667, x = -5

Front

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

Back

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

Front

Back

v = 3.225, v = .775