Thursday
March 23, 2017

Post a New Question

Posted by on Thursday, October 27, 2011 at 3:18am.

Classify the conic section
4x^2+5y^2-16x-30y+41=0 as a circle, ellipse, hyperbola, or parabola?

  • Math - , Thursday, October 27, 2011 at 4:20am

    Ellipse
    4(x^2 -4x +4) + 5(y^2 -6y +9) = -41 + 16 + 45
    = 20
    = 4(x-2)^2 + 5(y-3)^2
    (x-2)^2/5 + (y-3)^2/4 = 1

  • Math - , Thursday, October 27, 2011 at 10:07am

    The sum of 16terms of an A.P IS -504,while the sum of its 9terms is -126. Find the sum of its 30terms

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question