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Mathematics · 2023 · 2 marks
CBSE 2023 · Region 1 · Set 1 · Q21
(a) Solve the pair of equations x=3 and y =-4 graphically.
(a)
Solve the pair of equations $\displaystyle x=3$ and $\displaystyle \mathrm{y}=-4$ graphically.
OR
(b)
Using graphical method, find whether following system of linear equations is consistent or not : \[x=0 \text { and } \mathrm{y}=-7 \]
Marking-scheme solution
(a)
Solution of equation is \(\displaystyle \mathrm{x}=3, \mathrm{y}=-4\)
OR
(b)
As \(\displaystyle \mathrm{y}=-7\) is intersecting \(\displaystyle \mathrm{x}=0\) at ( \(\displaystyle 0,-7\) )
So, system of equations is consistent
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