Hi,
Line Perpendicular to the graph of y=1/3x+7; y-intercept (0,5)
New Line with slope m.
Yes!, m = -3
Using the standard slope-intercept form for an equation of a line y = mx + b
where m is the slope and b the y-intercept.
y = -3x + 5 or in standard form: 3x-y = 5