SOLUTION: Sketch graph of -5x+3y=15 by plotting ordered pair solutions. please help me by showing graph with solutions

Algebra ->  Graphs -> SOLUTION: Sketch graph of -5x+3y=15 by plotting ordered pair solutions. please help me by showing graph with solutions      Log On


   



Question 1047153: Sketch graph of -5x+3y=15 by plotting ordered pair solutions.
please help me by showing graph with solutions

Found 2 solutions by Boreal, josmiceli:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Let x=0. Then the equation is 3y=15, y=5
(0,5) is one ordered pair.
Now let y=0. Then the equation is -5x=15, x=-3
(-3,0)
You can use other numbers for x and y, but once you have two, a line may be drawn between them.
Those points can be plotted and a line drawn between them.
graph%28300%2C300%2C-6%2C6%2C-6%2C6%2C%28-5x%2F3%29%2B5%29

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
I would put the equation into the
slope-intercept form first
+-5x+%2B+3y+=+15+
+3y+=+5x+%2B+15+
+y+=+%285%2F3%29%2Ax+%2B+5+
----------------------
Now there are some easy to find pairs:
( 0, 5 )
( -3,0 )
{ 3, 10 )
( 6, 15 )
( 3/5, 6 )
( 6/5, 7 )
( just plug in the x-value and solve for the y-value )
example:
( 3/5, 6 )
+y+=+%28+5%2F3+%29%2A%28+3%2F5+%29+%2B+5+
+y+=+1+%2B+5+
+y+=+6+
----------------------------
Here's the plot:
+graph%28+400%2C+400%2C+-10%2C+10%2C+-10%2C+10%2C+%285%2F3%29%2Ax+%2B+5+%29+