Jawab:
Penjelasan dengan langkah-langkah:
(3,8) (5,0)
xp=3
yp=8
y=a(x-xp)^2 +yp
=a(5-3)^2+8
=a(2)^2+8
= 4a+8
-8=4a
a= -2
persamaanya:
y= -2(x-3)^2+8
= -2(x^2-6x+9)+8
= -2x^2 +12x-18+8
= -2x^2+12x-10
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Jawab:
Penjelasan dengan langkah-langkah:
(3,8) (5,0)
xp=3
yp=8
y=a(x-xp)^2 +yp
=a(5-3)^2+8
=a(2)^2+8
= 4a+8
-8=4a
a= -2
persamaanya:
y= -2(x-3)^2+8
= -2(x^2-6x+9)+8
= -2x^2 +12x-18+8
= -2x^2+12x-10