SOLUTION: Find the x and y intercepts and graph the equation plotting the intercepts.... -7x-8y=56 I need help this has got me so confused, someone please help me out.....

Algebra ->  Linear-equations -> SOLUTION: Find the x and y intercepts and graph the equation plotting the intercepts.... -7x-8y=56 I need help this has got me so confused, someone please help me out.....      Log On


   



Question 625049: Find the x and y intercepts and graph the equation plotting the intercepts....
-7x-8y=56
I need help this has got me so confused, someone please help me out.....

Answer by Maths68(1474) About Me  (Show Source):
You can put this solution on YOUR website!
-7x-8y=56

When y intercepts x=0
-7(0)-8y=56
-8y=56
-8y/-8=56/-8
y=-7



When x intercepts y=0
-7x-8y=56
-7x-8(0)=56
-7x=56
-7x/-7=56/-7
x=-8
so
Points are (0,-7) and (-8,0)
Graph
======
-7x-8y=56
-8y=7x+56
-8y/-8=(7x+56)/-8
y=-7x/8-56/8
y=-7x/8-7


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