Intro:
Hello!!! Princess Sakura here ^^
Explanation:
This is the slope formula
if you know what each letter stands for you know which one is slope.
Each Letter Meanings:
y stands for the y-value in the order pairs on the line.
m stands for the rate of change, AKA the slope of the line.
x stands for the x-value in the order pairs on the line.
b stands for the y-intercept.
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So now you should have figured out that
is the slope of the line.