Solve the system of equations 2x-y=1; x+2y=8 graphically and find the coordinates of the points where corresponding lines intersect y-axis.
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$3 \sqrt{ 2 }$
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$\color{#FF6800}{ 3 } \sqrt{ \color{#FF6800}{ 3 } } \color{#FF6800}{ \times } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \color{#FF6800}{ \div } \sqrt{ \color{#FF6800}{ 12 } }$
$ $ Calculate the value that contains root $ $
$\color{#FF6800}{ 3 } \sqrt{ \color{#FF6800}{ 2 } }$
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