click below
click below
Normal Size Small Size show me how
Algebra II Formulas
Some fundamental Algebraic formulas
Question | Answer |
---|---|
Exponential Function | y=a*b^x Y varies exponentially w/ X |
In the expression x^n, whats the base, exponent, and power? | base=x Exponent=n power= X^n |
X^a/X^b= | X^a-b |
X^-n= | 1/X^n |
1/X^n= | n rootX |
X^a/b= | (b rootX)^a |
Factor SUM of cubes (x^3+y^3)= | (x+y)(x^2-xy+y^2) |
Factor Difference of cubes (x^3-y^3) | (x-y)(x^2+xy+y^2) |
Discriminant test | b^2-4ac has to be a perfect square |