A student must find the slope of a line that passes through the points (2, 2) and (–1, 3). Which of the statements below best applies to the sample mathematical work?

Given the points above, I plug these values into the formula , which yields the expression , which gives a slope of –3.
A.
the formula for the slope of the line is incorrect
B.
the student failed to plug in the proper values into the slope formula
C.
the numeric calculation to find the slope is incorrect
D.
the mathematical work shown is correct

Question

A student must find the slope of a line that passes through the points (2, 2) and (–1, 3). Which of the statements below best applies to the sample mathematical work?

Given the points above, I plug these values into the formula , which yields the expression , which gives a slope of –3.
A.
the formula for the slope of the line is incorrect
B.
the student failed to plug in the proper values into the slope formula
C.
the numeric calculation to find the slope is incorrect
D.
the mathematical work shown is correct

agl202 · Answer

following the formula on finding the slope : 
m is equal to the difference of y sub2 and y sub1 all over the difference of x sub2 and x sub1. 

substitute the given points it will give you the answer -1/3.. 
I think its B. :)