Question

find the equation of parabola whose axis is (0,0) and the vertex is the point of intersection of the lines x + y = 1 and x - y = 3.
Please answer it soon. Urgent.

Answer 1

when y is 0 then x is 1 ...if x is 3+y then 3+y+y=1. 3+2y=1. 2y=1-3. 2y=-2. y=-1. x=1+1=2