Algebra Fall Semester Review, Applied Alg

exponents

100

3x^2+2x^2 - x

5x^2 - x

150

x^2*x^6 *x^0

x^8

200

(-4x^4y^3)^2

16x^8y^6

250

(3x^3y^5w^0)/(12xy^5w^2)

x^2/(4w^2)

300

(x^3y^-4)^-2/(3x^-1y^-6)^2

y^20/(9x^4)

Order of Operations

100

2^3 * 4 + 15 div 3

37

150

(10 div -1)^2 - 7

93

200

7 - 2^2 -|3-5|

1

250

24/(8 - 3^2 + 5)

6

300

(2 + |-3 - 4^2|)/(-7 + 10)

7

evaluating and simplifying expressions

100

evaluate if x = -5 and y = -2

3x^2 - |y|

73

150

Simplify

2x + 4y + 4 - 2x + 5y

9y + 4

200

5x^2y if x = -1 and y = 3

15

250

Find 3 consecutive integers that add up to 153.

50, 51, 52

300

Four less than three times the sum of a number and 2 is 14.  What is the number?

4

Solving Equations and Inequalities

100

2(x + 4) = 8 + 2x

infinitely many solutions

150

2/10 = 4/(x + 5)

15

200

Solve for x.

-5(x + 2) = 13 - x + 1

-6

250

Solve the inequality

x - 3(x + 2) > 4

x < -5

300

Write the solution in interval notation

25x - 21 < 9 - 5x

(-oo, 1)