Algebra 2 Chapter 1 Review

Miscellaneous

100

Simplify: 5+2(10-2ˆ3)

9

200

True or False: 1/3 is an irrational number. 

False. 

300

If a=1, b=-2, and c=5, what is 5b-4c÷(2a)

-20

400

What is the best category of numbers used to describe temperatures across North America?

Integers

500

Factor: 10n² + 33n - 54

(5n-6)(2n+9)

Solving Equations

100

3d+7=19

d=4

200

-6(p+5)=18

p=-8

300

x+9x-6x+4x=24

x=3

400

3(2c+25)-2(c-1)=78

c=1/4 or .25

500

b/4=2/3(b+5)

b=-8

Absolute Values

100

|2v+1|=7

v=-4, 3

200

4|x+5|=8

x=-3, -7

300

-5|3x+4|=20

no solution

400

2|3a-5|+7=21

a=-2/3 , 4

500

-2|7 - 3y| - 6 = -14

11/3 = x = 1

Solving for a Variable

100

P=IV for I

I= P/V

200

w = (-3c)/d for d

d = -3c/w

300

Q= 1/4 wjˆ2 for w

w=4Q/jˆ2

400

A = 1/3 g (2x+y) for y

y=(3A)/g -2x or y= (3A-2xg)/(2x)

500

A = 1/2 h(a + b)

2A/h - a = b

Inequalities

100

Solve and graph 2x+3<11

x<4

200

Solve and graph 2(3-2w)≥18

w≥-6

300

Solve and graph 2≤2w+4<12

-1≤w<4

400

Solve and graph 2|3t-12|+3>21

t<1 or t>7

500

Write and solve an inequality for the following statement: Four less than the quotient of a number and two is at least ten.

n/2 - 4 ≥ 10 n≥28