Quadratic Formula & Discriminant

Front

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

Back

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

Front

If the graph of a quadratic does not intercept the x-axis at any point, then it has:

Back

No Real Solution

Front

Does the equation open up or down? Y = -3x² +7x - 2

Back

down

Front

2x² + 2x - 12 = 0

Back

2, -3

Front

2x² - 9x - 35 = 0

Back

x = -5/2, x = 7

Front

The formula to determine how many solutions a quadratic equation is called the discriminant.

Back

b² - 4ac

Front

What does the discriminant tell us? Options: The maximum or minimum, The y-intercept, The number and type of solutions, The axis of symmetry

Back

The number and type of solutions

Front

If the discriminant is negative, you will have...

Back

no solution

Front

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

Back

Zero

Front

What  are the solutions of this graph?

Back

-2 and 3