i 've an exercice to do but i'm quite perplexed, can u help me ?!
i 've beginning this graphic :
Points D1,D2,D3,D4 are in a graphical and their equations are y= 10,y=4,y=2 and y=8
A is an other point with A(4;10)
Can we find points B,C,D on D2,D3 and D4 so that ABCD is a rhombus.