I need to know m and b
what is the slope intercept form of y+x=0?
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Slope-intercept form is y=mx+b.
m is the slope.
b is the y-intercept, the value of y when x=0.
Let's subtract x from both sides...
We do not need the zero, except to highlight the fact that the y-intercept is 0.
The slope is -1.
Given Y + x = 0
To find Y intercept , and slope you need to make it in the form of Y = mx +b
in this case:
Y + X = 0
becomes Y = -x
slope coefficient of X , m = -1
and b = 0
The line goes through origin.