194,806 views
14 votes
14 votes
(x,-4) and (2,8) m= -3

User Amirreza Nasiri
by
2.9k points

1 Answer

19 votes
19 votes

Answer:

x=6

Explanation:

we know that

slope formula is,

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

where m=-3

x1=x,y1=-4 and x2=2,y2=8,

-3=(8-(-4))/(2-x)

Now solving the expression

we get,

-6+3x=12

3x=18

x=6

User Klaw
by
2.7k points