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ax^+bx+c=y
(-2)^a + b (-2) +c = 0
4a - 2b +c = 0
(1,0)
ax^+bx+c = y
a(1)^ + 1(b) + c = 0
a+b+c = 0
(0,2)
ax^+bx+c = y
a (0)^ + b (0) + c = 2
c = 2
substitusi
a+b+c = 0
a+b +2 = 0
a+b = -2
substitusi
4a-2b+c = 0
4a-2b+2 = 0
4a-2b = -2
eliminasi
a + b = -2 |x 2| 2a + 2b = -4
4a - 2b = -2 |x 1| 4a - 2b = -2
6a = -6
a = -1
a + b = -2
-1 + b = -2
b = -1
PERSAMAAN
ax^+bx+c = y
-x^ -b +2 = y
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