Write the following equation in the form $a x + b y + c = 0$ and indicate the values of $a, b$ and $c$ .
$y - 2 = 0$

0 x + 1 y - 2 = 0

a = 0, b = 1

and

c = - 2

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0 x + 1 y + 2 = 0

a = 0, b = 1

and

c = 2

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1 x + 1 y - 2 = 0

a = 1, b = 1

and

c = - 2

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0 x + 2 y - 2 = 0

a = 0, b = 2

and

c = - 2

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Solution

The correct option is A
$0 x + 1 y - 2 = 0$
$a = 0, b = 1$ and $c = - 2$
The given equation is $y - 2 = 0$
$∴ 0 x + y + (- 2) = 0$ ...(1)
which is the required form.
Comparing (1) with $a x + b y + c = 0$ , we get
$a = 0, b = 1$ and $c = - 2$

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