Question

What is the slope of the line passing through the points (−1, 3)(−1, 3) and (4, −7)(4, −7) ?

a. −2−2

b. −43−43

c. 2

d. 34

Answer 1

slope = -7-3/4+1
 = -10/5
 = -2

so the answer is a. −2−2