SOLUTION: How can you solve for a slope when you dont understand how? What is the easiest way to understand solving for slopes? I need an example i can have with me in class. Using the math

Question 259528: How can you solve for a slope when you dont understand how? What is the easiest way to understand solving for slopes?
I need an example i can have with me in class. Using the mathod algebra teachers use.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Given 2 points example.
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
---------
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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