How do you find the slope and y intercept for #y + x = 0 #?

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Answer 1 · 2015-12-06T04:53:35

The slope #m# is #-1# and the y-intercept is #0#.

Convert #x+y=0# to slope-intercept form, #y=mx+b#, where #m# is the slope and #b# is the y-intercept.

#x+y=0#

Subtract #x# from both sides of the equation.

#y=-x+0#

Simplify.

#y=-x#

The slope #m# is #-1# and the y-intercept is #0#.

graph{y=-x [-10, 10, -5, 5]}