Reflect a triangle over y=-x
The points are A(1,6) B(3,1) C(7,2)
At this point I get lost because we have to use algebra to figure out its new points on its reflection. Please help me figure out the equations and new points.
A reflection across y = -x is basically across both axis. So, just change the sign for all of the points.
This site really helped me do this:
https://www.desmos.com/calculator