What is the equation of the line that goes through #(- 5,4)# and #( 2,8)#?
1 Answer
May 12, 2018
Explanation:
The line is probably linear, and so it is given by:
#m# is the slope of the line
#b# is the y-intercept
The slope
So here:
So, the equation is:
Now, we plug in any of the two coordinates'
Trying for the second coordinate:
Indeed, the line is
graph{4/7x+48/7 [-10, 10, -5, 5]}