Page 106 - Kover BS Mat 2 Edisi 2015.pdf
P. 106
Contoh 10.1 *UD¿N )XQJVL .XDGUDW
%HULNXW LQL DGDODK JUD¿N OLPD IXQJVL NXDGUDW \DQJ EHUEHGD
Y
10
9
8
7
6
5
4
2
1
X
-10 -9 -8 -7 -6 -5 -4 -2 -1 1 2 4 5 6 7 8 9 10
-1
-2
-4
-5
-6
-7
-8
-9
-10
1. *UD¿N \DQJ EHUZDUQD KLWDP PHUXSDNDQ JUD¿N IXQJVL NXDGUDW y = x – x
2
*UD¿N y = x – x PHPRWRQJ 6XPEX < SDGD NRRUGLQDW GDQ PHPLOLNL
2
titik puncak minimum.
2. *UD¿N \DQJ EHUZDUQD PHUDK PHUXSDNDQ JUD¿N IXQJVL NXDGUDW\ x – 6x
2
*UD¿N \ x – 6x PHPRWRQJ 6XPEX < SDGD NRRUGLQDW GDQ PHPLOLNL
2
titik puncak minimum.
*UD¿N \DQJ EHUZDUQD ELUX PHUXSDNDQ JUD¿N IXQJVL NXDGUDW y = -2x *UD¿N
2
y = -2x PHPRWRQJ 6XPEX < SDGD NRRUGLQDW GDQ PHPLOLNL WLWLN SXQFDN
2
maksimum.
98 Kelas IX SMP/MTs Semester 2
