Chapter 2 Algebra Review

Inequality Symbols Key Terms

100

Is fewer than

<

Less than

200

Is more than 

>

Greater than

300

Is at most

≤

Less than or equal to

400

Is no more than 

≤

Less than or equal to

500

Is no less than 

≥ 

Greater than or equal to

Solve the Inequality

100

-8<1.4+m

m> -9.4

200

1-12+y≥-5

y≥6

300

-6>t-(-13)

t< -19

400

w/-5≤16

w≥-80

500

-16≤8/3t

t≥-6

Write the Sentence as an Inequality

100

A number x is greater than 3.

x>3

200

Fifteen is no more than a number t divided by five.

15≤t/5

300

Thirteen is at least the difference of a number v and 1.

13≥v-1

400

One-half of a number y is no more than 22.

1/2y≤22

500

Four is no less than the quotient of a number x and 2.1

4≥x/2.1

Graph the Solution(s)

100

x>4

Open circle and arrow going to the right of 4

200

y≤2

Closed circle and arrow going to the left of 2

300

-4≤w≤-4/3

Both closed circles and shaded between the -4 and -4/3

400

x<-11 or x>5

Both open circles and arrows going to the left of -11 and right of 5

500

-7≥f or f>3

Closed circle at -7 and arrow going to left, open circle at 3 and arrow going to the right

Solve and Graph the Inequalities

100

18≤3(b-4)

Closed circle at 10 and arrow going to the right

b≥10

200

3+r/-4≤6

Closed circle at -12 and arrow going to the right

r≥-12

300

2r+3<7 or -r+9≤2

Open circle at 2 and arrow going to the left, closed circle at 7 and arrow going to the right

r<2 or r≥7

400

-12<1/2(4x+16)<18

Open circle at -10 and 5 and shade between

-10<x<5

500

-3|2-4u|+5<-13

Open circle at 2 with arrow going to the right and open circle at -1 with arrow going to the left

u>2 or u<-1