Question

What is the slope of the line through (1, 9) and (–3, 16)?

Question 9 options:

a)

−74

b)

−252

c)

−225

d)

−47

Answer 1

Explanation:

slope =
`(y_(2)-y_(1))/(x_(2)-x_(1))`

=
`(16-9)/(-3-1)`

=
`(7)/(-4)`

Therefore slope = -7/4