Solving Quadratic Equations with Imaginary Solutions Using Quadratic Formula

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

• 0

• 1

• 2

• 5

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Use the quadratic formula to solve 2x² + 2x - 12?

• -2, 3

• 2, 3

• 2, -3

• -2, -3

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

• 0

• 1

• 2

• More than 2

If the discriminant is zero you will have

• no real solutions

• two real solutions

• 1 real solution

• 1 imaginary solution

If the discriminant is a positive number you will have.....

• two real solutions

• zero real solutions

• one real solution

• two imaginary solutions

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

• two real solutions

• one real solution

• zero real solutions

• one imaginary solution

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

• Real Solution

• Real Solutions

• Half a Solution

• No Real Solution

Solve using the Quadratic Formula:
x² + 4x + 3 = 0

• x = 1 and x = 3

• x = 6 and x = -2

• x = -1 and x = -3

What does the discriminant determine?

• Whether the graph goes up or down

• The vertex

• The number of Solutions

• The y-intercept