College Algebra

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Find the equation of the parabola
y = ax2 + bx + c
that passes through the points. To verify your result, use a graphing utility to plot the points and graph the parabola.
(−2, −15), (−1, −4), (1/2,-10)

y=?

  • College Algebra -

    4a - 2b + c = -15
    a - b + c = -4
    a + 2b + 4c = -40

    y = -6x^2 - 7x - 5

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