Penjelasan dengan langkah-langkah:
y = 2 (x - 4)² - 5
y = 2 (x² - 8x + 16) - 5
y = 2x² - 16x + 32 - 5
y = 2x² - 16x + 27
diketahui bahwa nilai a = 2, b = -16, c = 27
persamaan sumbu simetri
x = - b/2a
x = - (-16)/2(2)
x = 16/4
x = 4
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Penjelasan dengan langkah-langkah:
y = 2 (x - 4)² - 5
y = 2 (x² - 8x + 16) - 5
y = 2x² - 16x + 32 - 5
y = 2x² - 16x + 27
diketahui bahwa nilai a = 2, b = -16, c = 27
persamaan sumbu simetri
x = - b/2a
x = - (-16)/2(2)
x = 16/4
x = 4