been stuck on this for ages... x²+4y²=10 2y+3x=10 cant get the answer... can any1 do it please... its my gcse pratice paper
Follow Math Help Forum on Facebook and Google+
Looking at the first question, note the blue: From your second equation: So plug 2y from the second equation to your first one: Expand, move everything to one side, and solve the quadratic
Last edited by o_O; Apr 16th 2008 at 12:58 PM.
Hello o_O... Unfortunately, it's x²+4y², not x²-4y² If we continue it, we finally get :
Merci, mon amie française
You're welcome dear
View Tag Cloud