Number of Solutions to Quadratic

How many x-intercepts does it have?

• 0

• 1

• 2

• 5

Use the discriminant to determine the number of solutions the following quadratic equation has.

-2x² − x − 1 = 0

• 76 Two Solutions

• -7 No Solutions

• 9 Two Solutions

• 0 One Solution

What is the discriminant and how many solutions would this quadratic have? 4x² + 6x - 4 = 0

• -28, No Solutions

• 28, 2 Solutions

• 100, 2 Solutions

• -100, No Solutions

If the discriminant is equal to -2, how many solutions are there?

• No Solutions

• 1 Solution

• 2 Solutions

• Infinite Solutions

If there are no real solutions, the discriminant is

• zero

• a postive number

• a negative number

• a perfect square

If there is one solution, the discriminant is . . .

• zero

• a postive number

• a negative number

• a perfect square

Make a true statement about about Graph A

The discriminant is ​ (a)  

There will be ​ (b)  

• zero

• one real solution

• positive

• negative

• two complex solutions

• two real solutions

Make a true statement about about Graph B

The discriminant is ​​ (a)  

There will be ​ ​ (b)  

• negative

• two complex solutions

• positive

• zero

• one real solution

• two real solutions

Make a true statement about about Graph C

The discriminant is ​​ ​ (a)  

There will be ​ ​ (b)  

• positive

• two real solutions

• zero

• one real solution

• negative

• two complex solutions

Solutions of a quadratic equation are also called

• roots

• x-intercepts

• zeros

• All of the above