Penjelasan dengan langkah-langkah:
xₚ = -4
yₚ = -9
x = 0
y = 7
y = a(x - xₚ)² + yₚ
cari nilai a dengan mensubtitusikan titik koordinat
7 = a(0 + 4)² - 9
7 = 16a - 9
16a = 7 + 9
16a = 16
a = 1
y = 1 (x + 4)² - 9
y = (x² + 8x + 16) - 9
y = x² + 8x + 7
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Penjelasan dengan langkah-langkah:
xₚ = -4
yₚ = -9
x = 0
y = 7
y = a(x - xₚ)² + yₚ
cari nilai a dengan mensubtitusikan titik koordinat
7 = a(0 + 4)² - 9
7 = 16a - 9
16a = 7 + 9
16a = 16
a = 1
y = 1 (x + 4)² - 9
y = (x² + 8x + 16) - 9
y = x² + 8x + 7