Asked by ashley
Explain, in complete sentences, how you would use the graphing method to solve the following system of equations. Provide the solution to the system and explain what the solution represents on the graph.
x + 4y = –16
3x + 2y = 12
x + 4y = –16
3x + 2y = 12
Answers
Answered by
Jen
x+4y=-16 (1)
3x+2y=12 (2)
Multiply (1) by -3 to get the x's to cancel
-3x-12y=48 (3)
3x+2y=12 (2)
Now add (3) and (2) together.
-10y=60
Divide by -10.
y=-6
Substitude y=-6 into equation (1) or (2) to solve for x.
3x+2y=12 (2)
Multiply (1) by -3 to get the x's to cancel
-3x-12y=48 (3)
3x+2y=12 (2)
Now add (3) and (2) together.
-10y=60
Divide by -10.
y=-6
Substitude y=-6 into equation (1) or (2) to solve for x.
There are no AI answers yet. The ability to request AI answers is coming soon!