Unit 1 Test Review Jeopardy

Add/Sub Polynomials

100

(3x²+5x-8)+(-5x²+7x+3)

-2x²+12x-5

200

(-4x³+7x²+2)+(-2x³-9x²+6x+1)

-6x³-2x²+6x+3

300

(7x²-8x-8)-(5x+4x²+9)

3x²-13x-17

400

(2x²y+7xy²-3xy+5x+4y)+(-5x²y-2xy²+7xy-6x-3y)

-3x²y+5xy²+4xy-x+y

500

(2abc²-4a+5bc+10b²c)-(8abc²-7a-2bc+5b²c)

-6abc²+3a+7bc+5b²c

Multiply Polynomials

100

-4(2x²yz³)²

-16x⁴y²z⁶

200

(4b+5)²

16b²+40b+25

300

(2x+7)(3x-5)

6x²+11x-35

400

(3x+2)(4x²+7x-5)

12x³+29x²-x-10

500

The length of a rectangle is 5 more than 3 times the width, x. Find a formula for its area in terms of x.

3x²+5x

Absolute Value

100

/2x+4/=8

x=2

x=-6

200

/5a/+4=24

a=4

a=-4

300

/3x-6/>15

x>7 or x<-3

400

/6x+12/-7<23

-7<x<3

500

/-2x+8/<44

-18<x<26

Factoring

100

x²-5x-24

(x+3)(x-8)

200

10x²-7x-12

(5x+4)(2x-3)

300

x⁴-16

(x+2)(x-2)(x²+4)

400

4x²-28x+48

4(x-4)(x-3)

500

6a³-10a²+9a-15

(2a²+3)(3a-5)

Quadratic Equations

100

2x²-10x-28=0

x=-2

x=7

200

24+2x-x²=0

x=-4

x=6

300

The length of a rectangle is 5 less than twice the width. Its area is 187 in². What are the dimensions?

11 in by 17 in

400

x²+8x=0

x=0

x=-8

500

3x(x-10)+80=5

x=5