Homework Help: Pre-calculus-ck answers

Posted by Lucy on Tuesday, September 30, 2008 at 3:41pm.

Identify the graph of the equation 4x^2-25y^2=100. Then write the equation of the translated graph for T(5,-2) in general form.

Answer: hyperbola;
4(x-5)^2 -25(y+2)^2=100

2)Find the coordinates of the center, the foci, and the vertices, and the equations of the asymptotes of the graph of the equation:
(x+1)^2/2 - y^2/8 = 1

Answer: Center (0,-1);
foci( +/- sqrt10, -10
Vertices ( +/- sqrt2, -1)
Asymptotes: y+1 = +/- Sqrt8/sqrt2(x+1)

Are these problems correct?

Thanks for all your help

Pre-calculus-ck answers - bobpursley, Tuesday, September 30, 2008 at 3:58pm
Neither one of these is the general form that I know of.

In the second, the center is wrong, I didn't go past that.

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