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Sparky111
Three over Four. Y2 - y1 over x2 - X1. Which would be the same as 2+1 over 1+4 or 3 over 4. A negative minus a negative is addition on both the top and the bottom
TRAGiCbRONSON
First, turn this into a simultaneous linear equation.

1 + b = 2
-3 + b = -1

Now solve it.

b = 1/4.

y = x + 1/4.

As you can see, slope is 1 but I gave you the equation as well. Have a nice day!

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