chapter 1 Review

Variables On Both Sides

100

-9x=10-4x

x=-2

200

-2x=3x+10

x=-2

300

2(3x+4)=1(2x-10)

x=-4.5

400

0.5(10h-4)=-4h+3

h=0.78

500

3(3g-5)=1/2(30g-10)

g= -2.5

Combining Like Terms

100

What to numbers multiply to get 6 and add to get 5

2 and 3

200

Calculate the slope

(1,4) and (3,4)

0

300

Simplify 

5x-x+2+6x

2+10x

400

Find the sum of (2x+7) and (x-3)

3x+4

500

If 2(3x-1)=22, then what is 10x-5

35

Inequalities

100

-1>n/6

n<-6

200

-5m<-35

m>7

300

|3g-2|<5

g<2.3     and      g<-1

400

 4x-6<-2x+6

x<2

500

-5<2-h or 6h+5<71

7>h  or  h<11

Absolute Value

100

|x|=10

x=10      x=-10

200

|3x+1|=-5

How many solutions?

no solution

300

|x-4|=6

x=10               x=-2

400

|3x+9|-10=-4

x=-5            x=-1

500

You are driving on a highway and are about 300 miles from your state's boarder. You set your cruise control at 78 miles per hour and plan to turn it off within 20 miles of the boarder on either side. Find the minimum and maximum numbers of hours you will have to cruise control.

|78x-300|=20

Extra

100

the legs of the Pythagorean Theorem are 12 and 6 what is the hypotenuse.

13.4

200

the leg of the Pythagorean Theorem is 5, and the hypotenuse is 20. What is the other leg?

19.3

300

what kind of triangle is Pythagorean Theorem

right triangle

400

what is the equation of Pythagorean Theorem

a²+b²=c²

500

Give me a description of hypotenuse

It is the longest side of the triangle