Graph -3x^2+12y^2=84. What are the domain and range? Please help i'm desperate and not good at math at all

Question

ganeshie8 · Answer

it is asking to graph, 
so first graph it

anonymous · Answer

but how do you graph that? I tried and it said it couldn't because I cant because of the 12y^2 and equaling 84

ganeshie8 · Answer

do u have geogebra ?

anonymous · Answer

a what?

anonymous · Answer

looks you have a hyperbola there

anonymous · Answer

Ya I think so?

ganeshie8 · Answer

attachment

anonymous · Answer

Theres two answers that look like that but one the range is all real numbers and the other one has to do the the number 7

ganeshie8 · Answer

ganeshie8 · Answer

for range, you wud look "bottom-to-top" of graph

ganeshie8 · Answer

notice that the graph is not taking any values for some range of y-values in the middle part

ganeshie8 · Answer

you need to subtract those from ur range

anonymous · Answer

woah woah what

ganeshie8 · Answer

look at the graph,
scan it from "bottom to top"

ganeshie8 · Answer

do u see there is kindof break in the middle ?

ganeshie8 · Answer

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