Math

System of equations

100

two or more equations with the same variables 

System of equations 

200

A method of solving systems if equations by substituting one equation into the other 

Substitution method

300

A method for solving systems of equations by combining the equations to eliminate one variable 

Elimination method 

400

4x+9y=5

-4x+7y=11

Solve 

(-1,1)

500

2x + y= -10 

-y= 2x+10 

solve 

0=0

prop of real numbers

100

the order of adding does not change the sum or product 

Commutative 

200

Grouping numbers differently does not change the sum or product 

Associative 

300

Adding zero to a number does not change its value 

Identity 

400

Multiplication Property of zero or 

the zero property 

500

a(b+c)=a*b+a*c

Distributive property 

Kitchen sink :)

100

a specific relationship in which there is a constant ratio between all ordered pairs 

Direct variation 

200

Direct variation equation is 

y=kx

300

Specific relationship in which there is a constant  product ( x*y) between all ordered pairs 

inverse variation

400

Inverse variation equations 

y= k/x

500

a bell curve that shows how data is distributed about the mean

Normal distribution

Exponents and Radicals

100

2^5

2*2*2*2*2

32

200

2^2

2*2

4

300

2^2/

2^5

2*2/

2*2*2*2*2

1/

2^3

400

17x-25x

-8x

500

-23y^2+6y^2

-17y^2

Inequality's

100

4(x+3)>-24

4x+27>-24

4x/4>-36/4

x>-9

200

x-3(x+2)>4

x-3x-6>4

-2x-6>4

-2x/-2>10/-2

x<-5

300

7x-2(x-4)<-2

7x-2x+8<-2

5x+8-8<-2-8

5x/x<-10/5

x<-2

400

-8(x-1)-x<-28

-8x+8-x<-28

-9x+8<-28

-9x<-36

x>4

500

2x-1<5x+20

-1-20<3x+20-20

-21/3<3x/3

-7<x