Pre-Algebra Final Review B

X

100

What is the LCD of

3/12 and 5/18?

36

200

Express using positive exponents.

5^-7

1/5^7

300

64 cups is equal to how many gallons?

4 gallons

400

What would be the next term in the arithmetic sequence?

-8, -3, 2,...

7

500

6 is what percent of 40?

15%

Signed Numbers

100

-4+5

1

200

-22+(-12)

-34

300

7-(-4)

11

400

(-45)/(-15)

3

500

9(-2)(-2)(3)(-1)

-108

Y

100

What is the additive inverse of

9y?

-9y

200

x/7=2/3

14/3 or 4 2/3

300

Find the mean:

59,72,46,50,83

62

400

Simplify.

sqrt(50)

5 sqrt(2)

500

Simplify.

sqrt(4a^3b)

2a sqrt(ab)

Polynomials

100

Simplify.

(-18m^2)/(-3m)

6m

200

Factor out the common monomial.

6x^2+10x

2x(3x+5)

300

Simplify.

(22mn^2+44mn)/(11mn)

2n+4

400

Simplify.

-5kl(9k^5-6l)

-45k^6l+30kl^2

500

Multiply the pair of binomials.

(x+3)(x-5)

x^2-2x-15

Solve

100

50/3-:1/9

150

200

w+16-9=2(-12)

w=-31

300

12+8*2-8-:4

26

400

4^3-5(12-8)*2

24

500

(36-3^2+21)/6

8