SOLUTION: Please help! This is confusing..I don't know what the formula would be to solve this: "A line has a slope of -3 and passes through the point (1,-2). What is the equation of this li

Algebra ->  Equations -> SOLUTION: Please help! This is confusing..I don't know what the formula would be to solve this: "A line has a slope of -3 and passes through the point (1,-2). What is the equation of this li      Log On


   

Question 733905: Please help! This is confusing..I don't know what the formula would be to solve this: "A line has a slope of -3 and passes through the point (1,-2). What is the equation of this line?" Please help...thank you, it will help ALOT!
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
y+=+mx%2Bb

y+=+%28-3%29x%2Bb ... plug in the given slope

-2+=+%28-3%29%281%29%2Bb ... plug in the given point

-2+=+-3%2Bb

-2%2B3+=+b

1+=+b

b+=+1

So the equation of the line is y+=+-3x%2B1