SOLUTION: Directions: Find an equation of the line passing through each pair of points. Write the equation in the form Ax+By=C. Problem: (2,3) and (-1,-1) I got this far then I got l

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Question 885044: Directions: Find an equation of the line passing through each pair of points. Write the equation in the form Ax+By=C.
Problem: (2,3) and (-1,-1)
I got this far then I got lost: (2,3) and (-1, -1)
M= -1-3/-1-2 = 4/3
y-3=4/3(x-2)
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
The strategy you chose appears a good one: Find slope and use point-slope equation form.

m for slope.



Pick either point and fill into for whichever point (u,v) you want. You picked (2,3).
Point-Slope Form: .

Why did you not continue? You want the equation in standard form.




, a generalization of standard form. The number properties applied are assumed understood.
Notice the left member is an expression linear in x and y, and the right member expression is a constant. The slope is a rational number and you may need to use multiplicative inverse property to make the equation in its simplest form.
Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

Directions: Find an equation of the line passing through each pair of points. Write the equation in the form Ax+By=C.
Problem: (2,3) and (-1,-1)
I got this far then I got lost: (2,3) and (-1, -1)
M= -1-3/-1-2 = 4/3
y-3=4/3(x-2)


 





 ------- Multiplying by LCD, 3



 

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