Question

What is the slope of the line through the points (2, 8) and (4, 6)?

a) slope = 73
b) slope = -1
c) slope = 1
d) slope = 1/3

Answer 1

slope=(y2-y1)/(x2-x1)

(x,y)

we have
(2,8)
(4,6)
x1=2
y1=8
x2=4
y2=6


slope=(6-8)/(4-2)=-2/2=-1


slope=-1
answer is C