a) y=(x-4)² = x² - 8x + 16 b) -⅓(x-1)²+3 = -⅓ (x² - 2x + 1) + 3 = -⅓ x² + ⅔x -⅓ + 3 = -⅓ x² + ⅔x + 2⅔ c) √2(x-3)²-1 = √2(x² - 6x + 9) - 1 = √2x² -6√2x + 9√2 - 1 d) y=(-x-√2)²+2 = x² + x√2 + x√2 + 2 = x² + 2√2x + 2
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a) y=(x-4)² = x² - 8x + 16
b) -⅓(x-1)²+3 = -⅓ (x² - 2x + 1) + 3 = -⅓ x² + ⅔x -⅓ + 3 = -⅓ x² + ⅔x + 2⅔
c) √2(x-3)²-1 = √2(x² - 6x + 9) - 1 = √2x² -6√2x + 9√2 - 1
d) y=(-x-√2)²+2 = x² + x√2 + x√2 + 2 = x² + 2√2x + 2