Question

Need help with this question!
A line passes through the points (10,1) and (-8,5). What is the slope of a line that is perpendicular to that line?
a. -9/2
b. -2/9
c. 2/9
d.9/2

Answer 1

first off, what is the slope of the line passes through those points?

Answer 2

is -2/9?

Answer 3

yup, so, the answer is?

Answer 4

Hint : -1/m where m is the slope we just figure out above

Answer 5

c. ?

Answer 6

one more try

Answer 7

b ?