Question

What is the slope of the line that contains the points (2, -6) and (-3, 1)?

Answer 1

slope formula : (y2 - y1) / (x2 - x1)

set 1 : (2,-6)....so label these : x1 = 2 and y1 = -6
set 2 : (-3,1)...so label these : x2 = -3 and y2 = 1

now sub...but pay attention to ur signs, especially when some are neg.
slope = (1 - (-6) / (-3 - 2) = (1 + 6) / -5 = 7/-5 ..same as - 7/5 <==

Answer 2

Using the formula (y-y') /(x-x') we plug (-6-1)/(2-(-3)) and get -7/5