Explore BrainMass

Explore BrainMass

    Parabola and Tangent Lines

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    The parabola y= x^2+4 has two tangents which pass through the point (0,-2). One is tangent to the parabola at (a, a^2+4) and the other at (-a, a^2+4) where a is a certain positive number. The question is a=?

    © BrainMass Inc. brainmass.com November 30, 2021, 12:39 am ad1c9bdddf
    https://brainmass.com/math/graphs-and-functions/parabola-tangent-lines-53255

    Solution Preview

    According to definition, the slope of the tangent line to a function (parabola) is the first derivative of that function (parabola).

    We calculate the first derivative of the parabola. The derivative ...

    Solution Summary

    The solution provides a detailed and step-by-step explanation for the problem.

    $2.49

    ADVERTISEMENT