Intro to Algebra Math 1

Linear Equations

100

What is a linear equation?

Contains variables that have an exponent no higher than 1

200

x+2= 7

x=5

300

2x-5=15

x=10

400

3x=24

x=8

500

x+3=-5

x= -8

Simplifying Expressions

100

18-12+4²

22

200

16x+27x

43x

300

4p+7p²

4p+7p²

400

6t²-2t²

4t²

500

4(x+9)+5x

9x+36

One Step Equations

100

g-7=15

g=22

200

-49=7y

y=-7

300

13=m-7

m=20

400

9m=6

m=1.5

500

2.8=4b

b=0.7

Inequalities

100

-3x+7>17

x<-4

200

2(3x-4) >10

x>3

300

5x-3<2x+6

x<3

400

-4<2x+2<10

x>-12

500

True or False: If the sign is > or < is the dot on the line open or shaded?

Open 

+ and - Exponents

100

-3²

9

200

4³

64

300

16³

4,096

400

-5³

-125

500

125²

15,625