SOLUTION: Determine whether or not each equation is that of an ellipse, if it is not, state the kind of graph the equation has: a. x^2+4y^2=4 b. x^2+y^2=4 c. x^2+y=4 d. x/4+y/25=1

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: Determine whether or not each equation is that of an ellipse, if it is not, state the kind of graph the equation has: a. x^2+4y^2=4 b. x^2+y^2=4 c. x^2+y=4 d. x/4+y/25=1      Log On


   



Question 1121761: Determine whether or not each equation is that of an ellipse, if it is not, state the kind of graph the equation has:
a. x^2+4y^2=4
b. x^2+y^2=4
c. x^2+y=4
d. x/4+y/25=1

Answer by ikleyn(52799) About Me  (Show Source):
You can put this solution on YOUR website!
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Determine whether or not each equation is that of an ellipse, if it is not, state the kind of graph the equation has:

a. x^2+4y^2=4        ellipse

b. x^2+y^2=4         circle (a particular case of an ellipse)

c. x^2+y=4           parabola

d. x/4+y/25=1        straight line