Thursday

December 18, 2014

December 18, 2014

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

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

- Math -
**drwls**, Thursday, October 27, 2011 at 4:20amEllipse

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 -
**Anonymous**, Thursday, October 27, 2011 at 10:07amThe 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**

**Related Questions**

math - Classify the conic section as a circle, an ellipse, a hyperbola, or a ...

algebra 2 - Determine values for A, B, and C such that the equation below ...

algebra 2 - Determine values for A, B, and C such that the equation below ...

Algebra II - I am lost on this one!!! Determine values for A, B, and C such that...

pre-calculus - How do i know if a conic section is a circle, ellipse, hyperbola...

math - what are the general equations for the conic sections 1)parabola 2)circle...

algebra help please - I notice that other problems are answered in a timely ...

geometry - I need images of Conic Sections: circle, ellipse, hyperbola and ...

trigonometry - classify the graph of the equation -4y^2+5X+3y+7=0 as a circle, ...

alg2 - identify the conic section. if its a parabols give the vertex if its a ...