Basic Algebra Review

Solve Equations

100

x+7=109

x=102

200

x-25=75

x=100

300

2x+1=9

x=4

400

5x-10=40

x=10

500

-4x-3=-11

x=2

Solve Inequalities

100

x+1>=13

x>=12

200

x+5>35

x>30

300

x+12<42

x<30

400

5x+15<=30

x<=3

500

14x-2>12

x>1

Graphing

100

The point (2,5) would be in which quadrant?

Quadrant I

200

The point (-4,-4) would be in which quadrant?

Quadrant III

300

Describe with words how to graph the point (-3,5)

From the origin, move 3 units left, then move 5 units up

400

If a point is on the x axis, what does the y coordinate have to be?

the y coordinate must be zero

500

What is the ordered pair of the origin?

(0,0)

Evaluating

100

What is the coefficient of x?

7x^2+8x-4

8

200

Given  2b+4f evaluate when b=2 and f=10

44

300

Given 

 2y-7r evaluate when y=10 and r=1

13

400

Given  8a+12-2z evaluate when a=4 and z=2

40

500

Given  m^2+10-5w evaluate if m=6 and w=9

1

Functions and relations

100

State the domain of the relation

{(2,1),(3,4),(5,7),(9,0)}

{2,3,5,9}

200

State the Range of the relation

{(2,1),(3,4),(5,7),(9,0)}

{0,1,4,7}

300

State the Domain of the function

{(2,3),(2,5),(2,6),(2,9)}

{2}

400

Is the relation a function?

{(6,1),(3,4),(5,9)}

Yes it is a function

500

Is the relation a function

{(1,2),(3,2),(4,2)}

Yes it is a function