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write in turning point form by completing the square?

a. y=x^2- 4x+3
b. y=x^2+4x

2007-03-18 23:24:56 · 1 answers · asked by Silver L 1 in Science & Mathematics ➔ Mathematics

1 answers

Question a
y = (x² - 4x + 4) - 4 + 3
y = (x - 2)² - 1
Turning point is (2, - 1)
Question b
y = (x² + 4x + 4) - 4
y = (x + 2)² - 4
Turning point is (- 2,- 4)

2007-03-19 00:30:09 · answer #1 · answered by Como 7 · 0⤊ 0⤋

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