Algebra Final Review

Fractions

100

Name a fraction that is equivalent to 2/3

4/6 , 6/9 , 8/12 , 10/15 , 20/30

200

What is Least Common Denominator (LCD) for 2/3 and 1/6 ?

6

300

3/4 _____ 4/5 ?

> , < , =

3/4 < 4/5

400

Reduce 12/30 to LOWEST terms

2/5

500

1/3 * 1/2 = ?

1/6

Exponents

100

15⁴ = ?

50625

200

(a⁶)/(a²) = ?

a⁴

300

4^-2 = ?

1/16

400

(4²x)² = ?

256x²

500

4x⁶ * 3x³ = ?

12x⁹

Scientific Notation

100

Which is written in scientific notation?

.4523

.267x10⁷

3.672x10^-4

31.2x10²

3.672x10^-4

200

Write 2500 in scientific notation

2.5x10³

300

Write .000354 in scientific notation

3.54x10^-4

400

Write 45/10000 in scientific notation.

4.5x10^-3

500

What is -8.43x10^-5 in standard notation?

-0.0000843

Integers

100

|-4| = ? and why?

4, because -4 is a distance of 4 from zero.

200

5+(-3)(-8)-2

27

300

The Bears are on their own 10 yard line. On first down the Bears lost 6 yards. On second down they gained 14 yards. What yard line are the Bears on now?

18 yard line.

400

(5-6*3+1)/(2(4-6)) = ?

3

500

Which pair of integers has a sum of -3 ?

1, 4

-3, 1

-8, 5

-4, -1

-8, 5

Equations

100

When x = 2

What is the value of 5x-6 ?

4

200

Let q=4 , r=2 , k=8.

Evaluate: (2k-q)/4r

3/2 or 1.5

300

Evaluate 8m + 2mn when m=2 and n=3 

28

400

5B + 3 = 38

B = 7

500

(r/2) + 5 = 5

r = 0