Yes you are right because the slope is the difference in y divided by the difference in x so - (5-1)/(-2-3)
sorry i meant so (5-1)/(-2-3) = -4/5
-4/5 is correct :)
y=m x + b.
work out the ones you know it is not. Then guess. That is how I failed my maths exams.
Learn on your own.