Transformasi
Refleksi x = 4
y = x² - 2x - 3
y = (2(4) - x)²- 2( 2(4) - x)) - 3
y = (8 - x)² - 2(8 - x) - 3
y = 64 - 16x + x²-16 + 2x - 3
y = x² -14x - 45 ↔ y = x² -(9+a)x - 9a
-9a = - 45
a= 5
a²= 25
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Transformasi
Refleksi x = 4
y = x² - 2x - 3
y = (2(4) - x)²- 2( 2(4) - x)) - 3
y = (8 - x)² - 2(8 - x) - 3
y = 64 - 16x + x²-16 + 2x - 3
y = x² -14x - 45 ↔ y = x² -(9+a)x - 9a
-9a = - 45
a= 5
a²= 25