Alg 1 Final

Multi Step Equations

100

4x+1=2x+7

X=3

200

5y+2=16-2y

y=2

300

8z+40=3z+5

z=-7

400

15-c=27-3c

c=6

500

14h=3h+90

h~=8.2

Equations

100

2x=50

25

200

y+9=10

y=1

300

z+20=-20

z=-40

400

12.5a=162.5

a=13

500

1 29/780b=9

b~=0.11

Inequalities

100

If you graphed 2<=5, what direction would the arrow go from 2?

Right ->

200

Simplify 2<-2x

1>x

300

If you divide a negative inequality WITH a variable, what happens to the sign?

You flip the sign arround

400

What circle does </> have?

a open circle ( like this o)

500

What circle does <=/=> have?

Closed circle, like .

Functions

100

What are the ranges in the following pairs?

         {(2,9),(9,6),(8,0)}

Ranges are: 0,6, and 9

200

What is the domain in the following pair?

         (9,-5)

D=9

300

If F(x)=1x+2, what is F(9)?

F(9)=11

400

If F(y)=5y²-5, what is F(10)?

F(10)=495

500

If F(z)=24z³+3(2-1), what is F(1)?

F(1)=27

Rules

100

What does PEDMAS stand for? 

Parenthesis

Exponet

Division/Multiplication

Addition/Subtraction

200

In 2x=8, how do you isolate x?

Divide 8 by 2

300

In the equation 5x+2²+(9*5)=2, what would be the correct order of solving?

9*5, 2²,45+4,2-49,-47/5

400

In 2+5/4-3*2, do you do division or multiplication first, and why?

Division, not because it comes first in pedmas but due to it being the first Left to right part of its step

500

Bonus: What are the five most important rules of a equation?

1. DON'T talk about equations

2. DO NOT talk about equations

3. Follow PEDMAS

4. Isolate variables

5. Show/Check work