SOLUTION: graph the equation y+2x=0 and x+2y=0. where do these graphs intersect?

Question 174900This question is from textbook algebra 1
: graph the equation y+2x=0 and x+2y=0.
where do these graphs intersect? This question is from textbook algebra 1

Answer by actuary(112) (Show Source): You can put this solution on YOUR website!

Using the graph, the point of intersection appears to be {0,0}.
Check to see if {0,0} satisfies the system of equations
y+2*x=0
x+2*y=0
Replace x and y with x=0 and y=0 in the two equations.
0+2*0 = 0
0+2*0 = 0
So the point {0,0} satifies the system of equations and it is a solution.
I hope that this helps.

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