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Linear Equations in Two Variables — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsLinear Equations in Two Variables1 Mark
MCQ
A linear equation in two variables is of the form $ax + by + c = 0$, where:
  • A
    $a = 0, c = 0$
  • B
    $a \neq 0, b = 0$
  • C
    $a = 0, b \neq 0$
  • ✓
    $a \neq 0, b \neq 0$
✓

Answer

Correct option: D.
$a \neq 0, b \neq 0$
A linear equation in two variables is of the form $ax + by + c = 0$, where $a \neq 0, b \neq 0.$
If the values of $“a”$ and $“b”$ are equal to $0$, the equation becomes $c = 0.$
Hence, the values of a and b should not be equal to $0.$

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