3
A line has a slope m= -1. One point on the line is (2, 4). Substitute the
x, y, and m values into the slope-intercept form of an equation to find
the y-intercept. Then write the equation of the line in slope-intercept
form.
6
y = I m = 6 and x =
y = mx + b
+ b
= -1
+ b
= b
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x+
The y-intercept is
The equation of the line is y =