Question

Need help with conic sections

Answer 1

Without writing the equation \[42x^2-168x+24y^2-48y=-12\] in the standard form, state whether the graph of this equation is a parabola, circle, ellipse, or hyperbola.
a.
parabola
c.
ellipse
b.
circle
d.
hyperbola

Answer 2

I'm not sure how to start with the equation

Answer 3

@dan815

Answer 4

@jim_thompson5910 ?

Answer 5

are you allowed to use technology to graph?

Answer 6

yes

Answer 7

You can use something like desmos

https://www.desmos.com/calculator

Answer 8

just type it in as is. There's no need to solve for y

Answer 9

I'm using it, nothing comes up when I type it in

Answer 10

try zooming out

Answer 11

still nothing

Answer 12

this is what I get

Answer 13

hmm, so mines just not working then lol

Answer 14

also, check out

http://www.purplemath.com/modules/conics.htm

Answer 15

alright thanks man

Answer 16

it offers the basic forms so you can ID the right type of conic without having to graph