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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$x = y$
$x$Intercept
$\left ( 0 , 0 \right )$
$y$Intercept
$\left ( 0 , 0 \right )$
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$Z$ $x$ $12$ $60^{0}$ $y$ $\times =$ = $y=$ $\vec{z} =$
10th-13th grade
Geometry
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$12.$ $x^{2}$ $=y^{b}=x^{c}7y^{2}=xy$ $\dfrac {2} {b}=\dfrac {1} {a}+\dfrac {1} {c}$ $1$ $\left(1fx^{2}=y^{b}=z^{c}$ and $y^{2}=xy$ xy, show that $\dfrac {2} {b}$ $=\dfrac {1} {a}+\dfrac {1} {c}$
7th-9th grade
Algebra
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$3$ $y$ $x$ $8$ $94$ $3$ $20.$ $x=$ $y=$
10th-13th grade
Geometry
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