17.0k views
4 votes
Find the slope of the line passing through the points (-3,4) and (2,1)

A. -1
B. 1
C. 3/5
D. -5/3

2 Answers

7 votes
Hi, it is well simples!

Look :

a = Delta(y)/Delta(x)

Where,

Delta(y) = yf - yi

Delta(x) = xf - xi
_______________


As yi = 4 and yf = 1

And

xi = -3 and xf = 2

Then,

a = (1-4)/(2-(-3))

a = (-3)/(2+3)

a = -3/5
User Amarsh
by
8.4k points
2 votes
answer is d. -5/3 because y2-y1 =x2-x1
User Andrene
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9.1k points