Question

is 7x^2-28x+4y^2-8y=-2 is it a circle, ellipse, parabola or hyperbola?

Answer 1

Well, it can't be a circle because the coefficients of the x^2 and y^2 terms are not equal.

Answer 2

It can't be a parabola because a parabola would have x^1 and y^2 or x^2 and y^1

Answer 3

If it were a hyperbola, either the x^2 term or the y^2 term would be negative.

Answer 4

So what is it?

Answer 5

an ellipse?

Answer 6

Bingo!!

Answer 7

thank u so much!!!

Answer 8

you're welcome.