SOLUTION: Find an equation of the line containing the give pair of points (-6,-6) and (7,7)

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Question 265958: Find an equation of the line containing the give pair of points






(-6,-6) and (7,7)

Found 3 solutions by Alan3354, stanbon, drk:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Do it like this:
Given 2 points example.
Find the equation of the line thru the points (2,1) and (3,5)
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This is a 2 step process. First find the slope of the line thru the points.
slope, m = diffy/diffx
m = (5-1)/(3-2)
m = 4
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Now use y = mx + b with either point to find b, the y-intercept.
y = mx + b
5 = 4*3 + b
b = -7
-------
y = mx + b
y = 4x - 7 is the answer.
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For further assistance, or to check your work, email me via the thank you note.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find an equation of the line containing the give pair of points
(-6,-6) and (7,7)
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slope = (7--6)/(7--6) = 13/13 = 1
----
Form: y = mx + b
You have m = 1 and y = 7 when x = 7.
Substitute and solve for "b":
7 = 1*7 + b
b = 0
--------------
Equation:
y = x
============
Cheers,
Stan H.

Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
step 1 - find the slop using
m+=+%28y2-y1%29%2F%28x1-x2%29
we get
m+=+%287-%28-6%29%29%2F%287-%28-6%29%29
simplified, we get
m+=+1
---
step 2 - find b
using y = mx + b, we get
7+=+1%2A7+%2B+b
so
b = 0
---
we get
y = 1x + 0