Calculus

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Determine the equation of the tangent line to the curve y = 2x²-1 at the point where x = -2

  • Calculus -

    y' = slope = m = 4 x
    where x = -2, m = 4(-2) = -8
    y = -8 x + b
    at x = -2, y = 2(4) - 1 = 7
    so
    7 = -8(-2) + b
    7 = 16 + b
    b = - 9
    so
    y = -8 x - 9

  • Calculus -

    thank you

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