Number of Solutions Quadratic Graph

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

• zero

• a postive number

• a negative number

• a perfect square

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

• No Solutions

• 1 Solution

• 2 Solutions

• Infinite Solutions

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

What does the discriminant determine?

• Whether the graph goes up or down

• The vertex

• The number of Solutions

• The y-intercept

If the discriminant is positive, how many solutions does the graph have?

• 2

• 1

• 0

If the discriminant is negative, how many solutions does the graph have?

• 2

• 1

• 0

If the discriminant is zero, how many solutions does the graph have?

• 2

• 1

• 0