Question

Find the slope of a line perpendicular to 3x+y=15 ,-1/3, 5, -3, 1/3

Answer 1

So in the proper form, the equation would by y = 3x + 15. This means it has a slope of 3. Perpendicular lines have slopes that are negative reciprocals. The negative reciprocal of 3 (or 3/1) is -1/3.