Transfornasi
Translasi (pergeseran)
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y = x² + 1 --- T(h,k) ----> y = x² - 4x+ 8
y - k = (x - h)² +1 ≡ y = x² - 4x +8
y - k = x² - 2 hx + h² + 1 ≡ y = x² -4x + 8
y = x² - 2hx + h² + k+ 1 ≡ y = x² -4x + 8
-2h = - 4 --> h = 2
dan h² + k+ 1 = 8 maka k = 8 - 1 -h²
k = 7 - h²
k = 7 - 2² = 7 - 4
k = 3
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Transfornasi
Translasi (pergeseran)
*
y = x² + 1 --- T(h,k) ----> y = x² - 4x+ 8
y - k = (x - h)² +1 ≡ y = x² - 4x +8
y - k = x² - 2 hx + h² + 1 ≡ y = x² -4x + 8
y = x² - 2hx + h² + k+ 1 ≡ y = x² -4x + 8
*
-2h = - 4 --> h = 2
dan h² + k+ 1 = 8 maka k = 8 - 1 -h²
k = 7 - h²
k = 7 - 2² = 7 - 4
k = 3
*