Page 183 - Math Grade 11 (Basic)

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3 3
X 2 2
41 41
y - 16 ""-2.5
16
y
3
1 2 X

' -_-_,
r- -16

- 41- - - -

4 2
y = ax + bx + c (a"' 0)

... 0 '
- ti:Hli'Hl..fH1 : D = R
3 2
y' = 4ax + 2bx = 2x( 4ax + 2b)

y' = o l:llEltHutn~ru?J~ d5 ~;;,: o
" u a

""
. 1" 4 1 b c +oo m"" a>O
l1m y = 1m ax ( + - + - ) =
x--;> ±"' x .... ±co ax 2 ax 4 { · -oo &U a < 0
2
- UM13m~ y" = l2ax + 2b
1
y" = 0
Q) b
Q) QJ 0 tQl
y" = 0 l:llS~MrJHOJb~ m a <0 &'Ul115Lff1Ul:llS13CW113mnm '1
- mnh~Clunn

a>O a<O

y' = 0 X -00 0 +oo X -00 0 +oo
...
l:ll su ftj &fi y' - t + y' + t -
"
~115?1~ +oo +oo
IJ y ~c~ y -oo~c~oo

y' = 0 X -00 XI Xz x3 +oo X -00 X! x2 x3 +oo
""
l:llSUMU y' - t + f - + y' + f - + f -
" f f
+OO Yz + 00 Y! Y3
ttlJh~ y y
~ / ~ / -00 ;:11"' ~Y2~ ~00
Y1 Y3

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