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]}

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