Explore BrainMass

Explore BrainMass

    Manipulating the quadratic formula

    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 problem is from Numerical Methods. Please show each step of your solution and tell me the theorems, definitions, etc. if you use any.

    12. Improving the quadratic formula...

    Please see attached.

    © BrainMass Inc. brainmass.com March 4, 2021, 6:25 pm ad1c9bdddf
    https://brainmass.com/math/basic-algebra/manipulating-quadratic-formula-44138

    Attachments

    Solution Preview

    Ok, as for x1, we have:

    x1= (-b+sqrt(b^2- 4ac))/(2a)

    Now we multiply the top and the bottom by (-b- sqrt(b^2- 4ac)) i.e.

    x1= [(-b+sqrt(b^2- 4ac))/(2a)]* [ (-b- sqrt(b^2- 4ac))/(-b- sqrt(b^2- 4ac))], so

    x1= [(-b+sqrt(b^2- ...

    Solution Summary

    This solution shows how to manipulate the quadratic formula into a given form.

    $2.49

    ADVERTISEMENT