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Linear Equations In Two Variables [NEW] — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsLinear Equations In Two Variables [NEW]1 Mark
MCQ
The solution of the linear equation x + 2y = 8 which represents a point on x-axis, is
  • A
    (4,0)
  • B
    (0,4)
  • C
    (8,0)
  • D
    (4,2)
✓

Answer

C. (8, 0)
Let $(a, 0)$ be a point on $x$-axis representing a solution of the equation $x+2 y=8$. Then, $x=a$ and $y=0$ is a solution of $x+2 y=8$.
$
\therefore \quad a+2 \times 0=8 \Rightarrow a=8
$
Hence, $(8,0)$ is the point representing a solution of the given equation.

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