Question

Any point on the line y = x is of the form ______.

• A. (a, a)
• B. (o, a)
• C. (a, o)
• D. (a, - a)

Answer 1

The correct option is A (a, a)

A point lies on a line if its coordinates satisfy the equation of the line.
$\Rightarrow$ Both the coordinates are equal in the line y = x
$\Rightarrow$ Any point on the line y = x is of the form (a, a)