SOLUTION: Find the intersection of the line through the points (7,7) and (4,2) with the line y=x . work i have already done- slope (

Algebra ->  Linear-equations -> SOLUTION: Find the intersection of the line through the points (7,7) and (4,2) with the line y=x . work i have already done- slope (      Log On


   

Question 211680:
Find the intersection of the line through the points
(7,7)
and

(4,2)
with the line
y=x
.


work i have already done-
slope (7-2)/(7-4)= 5/3
y=(5/3)x +b
2=(5/3)(4)+b
b= (-14/3)
y= (5/3)x - (14/3)

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
intersection is (7,7)
y=x
y=7
7=x