Write an equation of the locus of points

a. equidistant from the x-axis and the y-axis and whose coordinates have the same sign
b.equidistant from the x-axis and the y-axis and whose coordinates have the same sign

Can anyone please give me some ideas to do it? THANKS A LOT!

2 answers

wouldn't it be a line at a 45 degree angle to the axis?
87