Unit 7b Test Review

It's the Factors of Life

100

a² +10a +21

What is (a+7) (a+3)

200

j² - 16j + 39

What is (j-13)(j-3)

300

10x² + 30x - 100

What is 10(x+5)(x-2)

400

2j² +38j - 84

What is 2(j+21)(j-2)

500

4g² - 64g - 68

What is 4(g-17)(g-1)?

The Leaders of the Pack

100

3n² + 5n + 2

What is (3n+2)(n+1)

200

3q² -11q + 8

What is (3q -8)(q - 1)

300

2h² - 3h - 9

What is (2h +3)(h-3)

400

12h² - 40h + 28 

What is 4(3h - 7)(h - 1)

500

6k² + 27k + 21

What is 3(2k+7)(k+1)?

Radically Divided

100

sqrt60/sqrt5

2sqrt3

200

5/4sqrt2/sqrt3

(5sqrt6)/12

300

3/1sqrt25/sqrt10

3/2sqrt10/

400

3/(3sqrt2

sqrt2/2

500

8/5sqrt5/sqrt6

4/15sqrt30/

Sum of all Differences

100

-sqrt6 - 3sqrt24+2sqrt12

-7sqrt6+4sqrt3

200

2sqrt27-sqrt12+2sqrt6

4sqrt3+2sqrt6

300

-3sqrt8+3sqrt18-2sqrt24

3sqrt2-4sqrt6

400

2sqrt20+2sqrt5-sqrt6

6sqrt5-sqrt6

500

3sqrt27-3sqrt12+3sqrt3

6sqrt3

The Simplicity of it All

100

sqrt45x^2y^2

3xysqrt5

200

sqrt147x^4y^3

7x^2ysqrt3y

300

3sqrt10*4sqrt5

60sqrt2

400

-5sqrt3*sqrt15

-15sqrt5

500

3sqrt2*sqrt10

6sqrt5