Question

How many linear equations in x and y can be satisfied by.
x=1 and y =2 ?​

Answer 1

Answer:

Step-by-step explanation:

Only one

Two

Infinitely many

Three

Solution :

Let the linear equation be ax+by+c=0.

On putting x=1 and y=2, in above equation we get

⇒ a+2b+c=0, where a, b and c, are real number

Here, different values of a,b and c satisfy a +2b+c=0. Hence, infinitely many linear equations in x and y can be satisfied by x=1 and y=2.

Answer 2

:

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-- :

From the graph, its clear that infinite straight lines can pass through the point (1,2).

So, infinite linear equation are possible satisfying x=1,y=2