Unit 2 Test Reviw

Sentences

100

Write the sentence for : A Number D minus 2 is Less than -1

d-2<-1

200

Ten is at the least the product of a number 5 and h

10>=5h

300

Write and solve: 6 is at most the product of 2 and x

6<=2x

x>=3

Solving Inequalites

100

solve: x+4<5

x<1

200

solve: -4x+5<21

x>-4

300

solve: -6<-2x-8<=-2

x<-1

x>=-1

Graphing

100

Graph the following equation and give answers in interval notation: 3x-4>11

x>5

(-5)-----> (-5, infinite)

200

solve graph and write interval notation: -4<=b/2+9

b>=-26

(-26)------->

[-26, infinte)

300

solve, graph and write in interval notation: -1<=-2d<-7

4>=d>-3/2

-----(-3)-----><-------[4]------

(-3/2,4]

Absolute vale

100

solve: |x|>=4

x>4

X<-4

200

solve graph and interval notoation

x>-1 x<-7

<--------(-7).      (-1)-------->

(-infinite, -7) u (-1, infinite)

300

solve graph and write interval notoation: |x+3|<=0

no solution

word problems

100

a number n is a solution of the inequality |x+1|>=1. determind whether x+1<-=1 is a possible solution?

yes

200

in the triangle, the value of angle x is greater than 3 times angle y. on of the angles is 40 degrees. write and inequality for a possible x value.

105>x>140

300

the lowest temperate recorded in las vegas in -25 degrees and the highest was 130 degrees. write an inequality that represents this relationship

-25<x<130