Question 838684
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
Recommend sketching it...
then using x^2/b^2 + y^2/36  = 1 & P(3,2) {{{9/b^2 = 8/9}}}
to find b = {{{sqrt(81/8)}}}=  ± 3.18
{{{x^2/(81/8) + y^2/36  = 1}}}
{{{drawing(300,300,   -10,10,-10,10,  arc(0,0,6.32,12),
 grid(1),
circle(0, 0,0.3),
circle(0, 6,0.3),
circle(0, -6,0.3),
circle(3.18, 0,0.3),
circle(-3.18, 0,0.3),
circle(3, 2,0.3),
graph( 300, 300, -10,10,-10,10))}}}