Which conic section is represented by the following equation? –5x2 + 10xy – 5y2 + 2x – y + 4 = 0

circle
ellipse
parabola
hyperbola

Logical equivalent of the give question is its contrapositive

I'm pretty sure it's b). i try drawing the functions out and b is the one that stands out or isnt a "line"

Idrk but i think u should figure out the n dia n then the units it will make it way more easier

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .