Show that the graph of an equation of the form where A and C are of the same sign, (a)
Chapter 7, Problem 84(choose chapter or problem)
Show that the graph of an equation of the form where A and C are of the same sign, (a) Is an ellipse if is the same sign as A. D2 4A + E2 4C - F Ax2 + Cy2 + Dx + Ey + F = 0, A Z 0, C Z 0 (b) Is a point if (c) Contains no points if is of opposite sign to A. D2 4A + E2 4C - F D2 4A + E2 4C - F = 0.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer