SOLUTION: Write the equation of the line that contains the indicated pair of points. Express the final equation in standard form. (−5, 2) and (4, −5) Please help me solve.

Algebra ->  Equations -> SOLUTION: Write the equation of the line that contains the indicated pair of points. Express the final equation in standard form. (−5, 2) and (4, −5) Please help me solve.       Log On


   

Question 1018279: Write the equation of the line that contains the indicated pair of points. Express the final equation in standard form.
(−5, 2) and (4, −5)
Please help me solve.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Use the general point-slope formula
(-5,2 )
( 4,-5 )
---------
+%28+y+-+%28-5%29+%29+%2F+%28+x+-+4+%29+=+%28+2+-+%28-5%29+%29+%2F+%28+-5+-+4+%29+
+%28+y+%2B+5+%29+%2F+%28+x+-+4+%29+=+%28+2+%2B+5+%29+%2F+%28+-9+%29+
+%28+y+%2B+5+%29+%2F+%28+x+-+4+%29+=+7%2F+%28+-9+%29+
+%28-9%29%2A%28+y+%2B+5+%29+=+7%2A%28+x+-+4+%29+
+-9y+-+45+=+7x+-+28+
+-9y+=+7x+-+28+%2B+45+
+-9y+=+7x+%2B+17+
+7x+%2B+9y+=+-17+
-------------------
check:
(-5, 2 )
+7x+%2B+9y+=+-17+
+7%2A%28-5%29+%2B+9%2A2+=+-17+
+-35+%2B+18+=+-17+
+-17+=+-17+
( 4,-5 )
+7x+%2B+9y+=+-17+
+7%2A4+%2B+9%2A%28-5%29+=+-17+
+28+-+45+=+-17+
+-17+=+-17+
OK