SOLUTION: Find the equation, in slope-intercept form, of the line that passes through the points (-7, -2) and (-4, 1).

Algebra ->  Linear-equations -> SOLUTION: Find the equation, in slope-intercept form, of the line that passes through the points (-7, -2) and (-4, 1).      Log On


   

Question 68774: Find the equation, in slope-intercept form, of the line that passes through the points
(-7, -2) and (-4, 1).
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(-7,-2)(-4,1) has a slope of
(1+2)/(-4+7)
3/3
1 is the slope of this line
no we need to find the y intercept thus:
-2=1*-7+b
-2=-7+b
-2+7=b
b=5 this is the y intercept.
thus the formula is:
y=x+5
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+x+%2B5%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = x +5).