The Math Beast Challenge Problem of the Week – July 15, 2013

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Math BeastEach week, we post a new Challenge Problem for you to attempt. If you submit the correct answer, you will be entered into that week’s drawing for two free Manhattan Prep GRE Strategy Guides.

If a > b > 0, what is the area of the quadrilateral with vertices at (ab), (-b,0), (0, -a), and (a, –b) on the coordinate plane?

See the answer choices and submit your pick over on our Challenge Problem page.

  1. RiAtSe July 17, 2014 at 9:22 am

    (a+b)(a+2b)/2