Honors Quadratic Formula

What is this formula?

• This is the speed of light formula.

• This is the quadratic formula.

• This is the zero product property.

• This is scary.

What are the green dots called?

• roots

• vertex

• solutions

• x intercepts

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3
*remember right side should =0

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

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

What is the vertex of this quadratic equation?

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)

y=(x-4)²+1 y=(x-4)²-1 y=(x+4)²+1 y=(x+4)²-1

• y=(x-4)²+1

• y=(x-4)²-1

• y=(x+4)²+1

• y=(x+4)²-1