Question

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

Answer 1

it is asking to graph,
so first graph it

Answer 2

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

Answer 3

do u have geogebra ?

Answer 4

a what?

Answer 5

looks you have a hyperbola there

Answer 6

Ya I think so?

Answer 7

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

Answer 8

^you may graph it in geogebra :
http://www.geogebra.org/webstart/geogebra.html

Answer 9

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

Answer 10

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

Answer 11

you need to subtract those from ur range

Answer 12

woah woah what

Answer 13

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

Answer 14

do u see there is kindof break in the middle ?