On the grid provided below, using a scale of 1 cm to represent 1 unit on both axes, draw both graphs for \(-2\leq x\leq8\) and \(-2\leq y\leq8\). Hence, solve the equations graphically.
\(x+y=5\)
\(2x-y=1\)
On the grid provided below, using a scale of 1 cm to represent 1 unit on both axes, draw both graphs for \(-2\leq x\leq8\) and \(-2\leq y\leq8\). Hence, solve the equations graphically.
\(3x+y=7\)
\(x-y=1\)
Solution:
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Answer:(a) \(x=2,y=3\). (b) \(x=2,y=1\). Both intersections are shown in the solution graphs.