Quadratic Formula
Discriminant
The # of Solutions
Solving by Graphing Review
Mrs. Roca
100

What is the quadratic formula?

see board for answer

100

The discriminant can be found under what symbol in the quadratic formula? 

The square root

100

If the discriminant if 9, how many solutions does the equations have?

2 solutions

100

The solution to two lines is the point where they ____________

intersect 

100

What size shoe do I wear?

6

200

The first step to using the quadratic formula is ensuring the equation is in ____________ form

standard

200

What expression represents the discriminant ? 

b2-4ac

200

If the discriminant if -9, how many solutions does the equations have?

No real solutions

200

If lines intersect once, how many solutions do they have?

1

200

What was I the president of in High School?

FFA

300

Identify of the a, b, and c of the quadratic equation

-2x2-6x+9 

a=___, b=____, c=____

a=-2, b=-6, c=9

300

Fill in the blanks 

1. If the b2-4ac >0, there are ___ solutions

2. If the b2-4ac =-0, there is ___ solution

3. If the b2-4ac <0, there is ___ solution


2

1

0

300

If the discriminant if -1, how many solutions does the equations have?

No real solution

300
If lines intersect twice, how many solutions do they have?

2

300

What state is my husband from?

Georgia

400

Put the following equation in standard form

x2+9x=-1

x=9x+1=0

400

Solve the following discriminant and determine how many solutions the quadratic equation would have

(6)2-4(3)(3)

0, 1 solutions 

400

If the discriminant if 0, how many solutions does the equations have?

1 real solution

400
If lines never intersects how many solutions do they have?

No solution

400
How many write ups did I get in school?

1

500

Put the following equation in standard form

-16x2+25x=-98

-16x2+25x+98=0

500

Solve the following discriminant and determine how many solutions the quadratic equation would have

(4)2-4(1)(2)

8, 2 solutions

500

If the discriminant if 0.67, how many solutions does the equations have?

2 real solutions 

500

How many solutions do parallel lines have?

None

500

if i was not a teacher, what would i do?

Work at hobby lobby

M
e
n
u