Operation of Quadratic Functions

Evaluate

100

Evaluate:

f(x)= -2x²+10x-20

f(-5)= ?

-120

200

Evaluate:

f(x)= x²-16x+40

f(-4)= ?

120

300

Evaluate:

f(x)= 8x²+20x-10

f(6)= ?

398

400

Evaluate:

f(x)= 3x²+12x-15

f(8)= ?

273

500

Evaluate:

f(x)= -2x²-6x+10

f(-6)= ?

-26

Add

100

h(x)= f(x) + g(x)

f(x)= 2x²+6x-10

g(x)= x²-2x+20

3x²+4x+10

200

h(x)= f(x) + g(x)

f(x)= 4x²-12x+16

g(x)=x²-8x+4

5x²-20x+20

300

h(x)= f(x) + g(x)

f(x)= 3x²+15x-30

g(x)= x²-23x+18

4x²-8x-12

400

h(x)= f(x) + g(x)

f(x)= -x²-10x+7

g(x)= 5x²-15x-30

4x²-25x-23

500

h(x)= f(x) + g(x)

f(x)= x²+8x-16

g(x)= 7x²+12x-14

8x²+20x-30

Subtract

100

h(x)= f(x) - g(x)

f(x)= 8x²-6x+12

g(x)= x²+3x+15

7x²-9x-3

200

h(x)= f(x) - g(x)

f(x)= 6x²+11x-26

g(x)= x²-25x+4

5x²+36x-30

300

h(x)= f(x) - g(x)

f(x)= 3x²-21x+28

g(x)= -x²-15x+5

4x²+6x+23

400

h(x)= f(x) - g(x)

f(x)= 5x²+20x-60

g(x)= 2x²-10x-70

3x²+30x+10

500

h(x)= f(x) - g(x)

f(x)= x²-8x-16

g(x)= -6x²+4x-10

7x²-12x-6

Multiply

100

h(x)= f(x) ⋅ g(x)

f(x)= 2x-4

g(x)= x²+3

2x³-4x²+6x-12

200

h(x)= f(x) ⋅ g(x)

f(x)= 6x+8

g(x)= x²-2

6x³+8x²-12x-16

300

h(x)= f(x) ⋅ g(x)

f(x)= 7x-3

g(x)= x²+5

7x³-3x²+35x-15

400

h(x)= f(x) ⋅ g(x)

f(x)= 4x²-5

g(x)= x+2

4x³+8x²-5x-10

500

h(x)= f(x) ⋅ g(x)

f(x)= x+3

g(x)= 5x²-7

5x³+15x²-7x-21

Mystery

100

True or False

Mrs. Vaughn did not graduate from Montgomery High School. 

False

200

True or false:

LSU lost vs A & M this past weekend.

True

300

What is one thing that bothers/aggravates Mrs. Vaughn?

- phone

- talking while I am talking

- not showing 100% effort(don't be lazy)

400

True or False:

Mrs. Vaughn was a restaurant manager before becoming a teacher. 

True

500

True or False:

I have known my husband since 5th grade. 

True