Quadratic/Discriminant

Which Formula is the Quadratic Formula?

• 
• 
• 
• 

Which Formula is the Discriminant Formula?

• 
• 
• 
• 

If the Discriminant is >0 How many real solutions will you have?

• 1

• 2

• 3

• 0

If the Discriminant is =0 How many real solutions will you have?

• 1

• 2

• 3

• 0

If the Discriminant is < 0, How many real solutions will you have?

• 1

• 2

• 3

• 0

Solve using the Quadratic Formula

 $x^{2\ }+2x\ -\ 15=0$  

• 3 & -5 

• 2 & 6

• 4 & -7

• -2 & -6

Solve using the Quadratic Formula

 $x^{2\ }+3x\ -10=0$  

• 3 & -5 

• 2 & 6

• 4 & -7

• 2 & -5

Find the value of the discriminant

 $-x^{2\ }+\ x\ -1\ =\ 0$  

• 4

• -3

• 10

• 100

Find the value of the discriminant

 $x^{2\ }+\ 7x\ +4\ =\ 0$  

• 42

• -30

• 33

• 100

Find the value of the discriminant

 $x^{2\ }+4x\ +4\ =\ 0$  

• 0

• -30

• 27

• 80