symbol for an unknown number

(x;y;z)

Number in front of variable

(4x;3c;81r)

Number

(4;5;23)

a group of terms

(4x-3)

Number and/or variable

(4x;23;j)

how many times a number is multiplied by itself

8^2=8x8=64)

4 or more terms

(4xy-9y+6x-3)

1 term

(6y)

2 terms

(5s-7)

3 terms

(9k-9z-4)

Terms with the same variable

(6y;3y;103y)

Equation with different variables

V=hwl

Order for solving equations

(PEMDAS: parentheses. exponents. multiply/divide. add/subtract.)

Distributing polynomials to another polynomial.

(FOIL: First, outside, inside, last)

x=(-b±√(b²-4ac))

2a

m = y₂-y₁

        x₂-x₁

Addition Property

1. simplify each side
2. move 'x' to one side

3. move everything away from 'x'

Anything times 1 remains itself

4x1=4

Anything added to zero remains itself

6+0=6

number under square root symbol

√5 (5 is radicand)