Fungsi kuadrat dg puncak P(xp,yp) = (2,3) :
y = a(x - xp)² + yp
y = a(x - 2)² + 3
dan melalui (-2,1)
1 = a(-2 - 2)² + 3
16a = 1 - 3
a = -1/8
Fungsi kuadrat
y = -1/8 (x - 2)² + 3 ✔
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Fungsi kuadrat dg puncak P(xp,yp) = (2,3) :
y = a(x - xp)² + yp
y = a(x - 2)² + 3
dan melalui (-2,1)
1 = a(-2 - 2)² + 3
16a = 1 - 3
a = -1/8
Fungsi kuadrat
y = -1/8 (x - 2)² + 3 ✔