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How to write a quadratic function in standard form y = 4 (x-1)^2 + 5

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y = 4 ( x2 - 2x + 1 ) + 5

= 4x2 - 8x + 4 + 5

= 4x2 - 8x + 9 ⬅️

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in standard form

y = ax2 + bx + c; a / 0


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the equation of a parabola in standard form is

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