A2 regents

sum of cubes formula

(a+b)(a²-ab+b²)

difference of cubes formula

(a-b)(a²+ab+b²)

sinusoidal general equation

y=AsinB(x-C)+D

How to find period

2pi/B

how to find frequency

2pi/P

how does sin graph look from the origin?

up—down—up

vertex form

y=a(x-h)²+k

a=. and p=

1/4p and. 1/4a

arithmatic/geometric sequence formula

TRICK QUESTION ITS ON REFERENCE SHEET

arithmetic series forumla

Sn=n(a1+an) /2

independant events if…

p(AnB)=p(A) * p(B)

normal distribution percentages based on standard devation?

68—95—99.7

local min/max

2nd—trace—min/max/intersect—left of point—right of point—guess

what % of data fall between…

2nd—vars—normalcdf

continuously compounded interest formula

A=P*e^(r*t)

compounded interest forumla

y=a(1+[r/n])^nt

half life forumla

y=a(1/2)^(t/h)

exponential growth

y=a(1+r)^x

exponential decay

y=a(1-r)^x