Pre Calc Unit 2 Test Review

polynomial form

f(x)\= d(x)* q(x)+ r(x)

fraction form

f(x)/d(x)\= q(x)+ r(x)/d(x)

odd degree positive LC

down negative up positive

odd degree negative LC

up negative down positive

even degree positive LC

both ends up

even degree negative LC

both ends down

a<0

reciprocal function

a\>1

squaring function

0<a<1

square root function

k

determines quad negative \= Q4 positive \= Q1

root (bottom of a)

odd \= defined on left even \= UNdefined on left

power (top of a)

use only if root is ODD even \= even symmetry odd \= odd symmetry

a

what x is being powered to

vertex form

f(x)\=a(x-h)^2+k

inverse variation

y \= k/x^a

direct variation (proportional)

y \= k * x^a

even mult

touches zero

odd mult

crosses zero