y=-x in coordinate plane

Question

y=-x in coordinate plane

Answer 1

Tina,

    Think of the generic straight  line equation:   y = mx + b.

   In this case b = 0 (the y intercept).    m, the slope, equals -1.

  So this is just a straight line, passing through x=0,y=0 and sloping from lower right to upper left on

an x-y graph.  The slope is 45 degrees upward to the left on the graph.

   Another method: make a table of x and y and plot it on a graph.

Good Luck,  

BruceS