锟斤拷锟斤拷锟斤拷锟斤線锟斤拷y = ax *+ bx + c

锟斤拷锟斤拷锟斤拷锟斤拷y锟斤拷锟斤拷ax 锟斤拷平锟斤拷锟斤拷锟斤拷 bx锟劫硷拷锟斤拷 c

锟斤拷锟斤拷a > 0锟絩锟絖锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷a < 0锟絩锟絖锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷c = 0锟絩锟斤拷锟斤線锟斤拷(j锟斤拷ng)锟絕原锟絚

锟斤拷锟斤拷b = 0锟絩锟斤拷锟斤線锟斤拷锟絈锟絊锟斤拷y锟絊

锟斤拷锟斤拷還锟斤拷锟斤拷c式y(t锟斤拷ng) = a(x+h)* + k

锟斤拷锟斤拷锟斤拷锟斤拷y锟斤拷锟斤拷a锟斤拷锟斤拷(x+h)锟斤拷平锟斤拷+k

锟斤拷锟斤拷-h锟斤拷锟斤拷c锟斤拷锟斤拷(bi锟斤拷o)锟斤拷x

锟斤拷锟斤拷k锟斤拷锟斤拷c锟斤拷锟斤拷(bi锟斤拷o)锟斤拷y

锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街碉拷c锟斤拷小值

锟斤拷锟斤拷锟斤拷锟斤線锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷:y^2=2px

锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤線锟侥斤拷锟絚锟斤拷x锟斤拷锟斤拷锟斤拷锟絊锟斤拷,锟斤拷锟絚锟斤拷锟斤拷(bi锟斤拷o)锟斤拷(p/2,0) 锟斤拷(zh锟斤拷n)锟斤拷锟斤拷锟教烇拷x=-p/2

锟斤拷锟斤拷锟斤拷锟节掞拷锟斤線锟侥斤拷锟絚锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷S,锟绞癸拷锟叫橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷y^2=2px y^2=-2px x^2=2py x^2=-2py

锟斤拷锟斤拷锟紸锟斤拷锟絯锟絜=4/3(pi)(r^3)

锟斤拷锟斤拷锟斤拷e=(pi)(r^2)

锟斤拷锟斤拷锟斤拷锟絃=2(pi)r

锟斤拷锟斤拷锟紸锟侥橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷 (x-a)2+(y-b)2=r2 注锟斤拷(a,b)锟角圓锟斤拷锟斤拷锟斤拷(bi锟斤拷o)

锟斤拷锟斤拷锟紸锟斤拷一锟姐方锟斤拷 x2+y2+Dx+Ey+F=0 注锟斤拷D2+E2-4F>0

锟斤拷锟斤拷(一)锟紼锟紸锟斤拷锟絃計锟姐公式

锟斤拷锟斤拷锟紼锟紸锟斤拷锟絃锟斤拷式锟斤拷L=2πb+4(a-b)

锟斤拷锟斤拷锟紼锟紸锟斤拷锟絃锟斤拷锟斤拷锟斤拷锟紼锟紸锟斤拷锟斤拷锟絃锟斤拷锟斤拷該锟紼锟紸锟教帮拷锟絊锟絃锟斤拷霃斤拷膱A锟斤拷锟絃(2πb)锟斤拷锟斤拷锟侥憋拷锟斤拷該锟紼锟紸锟絃锟斤拷锟絊锟絃(a)锟絚锟教帮拷锟絊锟絃(b)锟侥诧拷锟斤拷

锟斤拷锟斤拷(锟斤拷)锟紼锟紸锟斤拷e計锟姐公式

锟斤拷锟斤拷锟紼锟紸锟斤拷e锟斤拷式锟斤拷 S=πab

锟斤拷锟斤拷锟紼锟紸锟斤拷e锟斤拷锟斤拷锟斤拷锟紼锟紸锟斤拷锟斤拷e锟斤拷锟节圓锟斤拷锟斤拷(π)锟斤拷該锟紼锟紸锟絃锟斤拷锟絊锟絃(a)锟絚锟教帮拷锟絊锟絃(b)锟侥乘積锟斤拷

锟斤拷锟斤拷锟斤拷锟较橢锟紸锟斤拷锟絃锟斤拷锟斤拷e锟斤拷式锟斤拷锟絤然锟絔锟叫筹拷锟紽(xi锟斤拷n)锟紼锟紸锟斤拷锟斤拷T锟斤拷锟斤拷锟紷锟缴傦拷锟斤拷式锟斤拷锟斤拷通锟絕锟紼锟紸锟斤拷锟斤拷T锟狡岋拷(d锟斤拷o)锟斤拷變锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟絯锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷

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