Meyer Semester 1 Review

Quadratics

100

Factor: x²+9x+20

(x+4)(x+5)

200

Factor: 3x²+12x+9

3(x+1)(x+3)

300

Solve: x²+15x+56=0

x=-7,-8

400

Factor: 4x²-x-3

(4x+3)(x-1)

500

Solve: 3x²-5x=2

x=-1/3, 2

Polynomials

100

Factor: 4x³+3x²+28x+21

(x²+7)(4x+3)

200

Factor: x⁴-25

(x²-5)(x²+5)

300

Factor: x⁴+9x²+14

(x²+7)(x²+2)

400

Solve. x⁴-16

-2,2,-2i, 2i

500

Factor  x³+1

(x+1)(x²-x+1)

Absolute Values

100

Solve: |x+1|=4

x=-5, 3

200

Solve: 2|x-4|=8

x=0,8

300

Solve: 5|x-19|-3=12

x=22, 16

400

Solve: |x-2|=4x+6

No solution

500

4|2x-7|-15=17

x=15/2, -1/2

Piecewise Functions

100

f(x)=  -2x+3 if x<-1

          7x+2  if x>2

Find f(3)=

23

200

f(x)=  -2x+3 if x<-1

          7x+2  if x>2

Find f(-4)=

11

300

f(x)=  -2x+3 if x<-1

          7x+2  if x>2

Find f(7)

51

400

f(x)=  -2x+3 if x<-1

          7x+2  if x>2

Find f(-1)=

Undefined

500

f(x)=  -2x+3 if x<-1

          7x+2  if x>2

Find f(0)=

Undefined

Math Jokes

100

What did the triangle say to the circle?

You're pointless

200

Why did the girl wear glasses during math?

It improved Di-vision

300

Why do plants hate math?

It gives them square roots

400

Why can't a nose be 12 inches long?

Then it would be a foot

500

What's a math teacher's favorite season?

SUMmer