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Math Help - equation tangent line

  1. #1
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    equation tangent line

    find an equation for the tangent line to the given curve at the point where x=x0. y=(6x-5)(3+3x); x0=0
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  2. #2
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    x_0 = 0
    y_0 = -15

    find the derivative of y, then find y'(x_0), the slope of the line tangent to the curve at (x_0,y_0).

    now use the point-slope form of a linear equation to find the equation of the tangent line.

    y - y_0 = y'(x_0)(x - x_0)
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