Question 170731
Plot the graph of the equations 10x - 4y = 3 and 5x - 2y = 6 and interpret the result. 
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10x - 4y = 3 
Let x = 0, then y = -3/4; this gives you the point (0,-3/4)---Plot it.
Let y = 0, then x = 3/10; this gives you the point (3/19,0)---Plot it.
Draw the line thru those two points.
{{{graph(400,300,-10,10,-10,10,(5/2)x-(3/4))}}}
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and 5x - 2y = 6
Let x = 0, then y = -3; this gives you the point (0,-3)---Plot it.
Let y = 0, then x = 6/5; this gives you the point (6/5,0)---Plot it.
Draw the line thru those two points.
{{{graph(400,300,-10,10,-10,10,(5/2)x-3)}}}
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Find the intersection of the two lines; that is the solution 
of the system of equations.
{{{graph(400,300,-10,10,-10,10,(5/2)x-(3/4),(5/2)x-3)}}}
Ans: No solution as the lines a parallel.
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Cheers,
Stan H.