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23-01-2020
Mathematics

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Rewrite the following quadratic function in vertex form. Then, determine the axis of symmetry.

y = 5x^2 + 15x - 2

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23-01-2020

5x^2+15x-2

5(x^2+3x)-2

5(x^2+3x+2.25-2.25)-2

5(x^2+3x+2.25)-13.25

5(x+1.5)^2-13.25

final answer: y=5(x+1.5)^2-13.25

axis of symmetry: (1.5, 13.25)

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