SOLUTION: What's the equation of a line that passes through points (0,-1) and (2, 3 )?

Question 175286This question is from textbook
: What's the equation of a line that passes through points (0,-1) and (2, 3 )? This question is from textbook

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
What's the equation of a line that passes through points (0,-1) and (2, 3 )?
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The easiest way to do these is using determinants.
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|x y 1|
|0 -1 1| = 0
|2,3 1|
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x*(-1-3) - y*(0-2) + 0+2 = 0
-4x + 2y = -2
2x - y = 1
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Both points fit.
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