MCQ
By joining $(-1, -1), (0, 0)$ and $(3, 3)$ represent:
  • A
    A triangle.
  • B
    A curved line.
  • A straight line passing through origin.
  • D
    A straight line not passing through origin.

Answer

Correct option: C.
A straight line passing through origin.

Given: the three points $(1, 1), (0, 0)$ and $(3, 3)$ To find:
What is represented by the joining of the points given Refer to the attachment.
The origin $O (0, 0), A (1, 1)$ and $B (3, 3)$ make a straight line passing through the origin. If we want to find the equation of the straight line that passes through the given points:
$\frac{\text{y}-0}{0-1}=\frac{\text{x}-0}{0-1}$
or, $\frac{\text{y}}{(-1)}=\frac{\text{x}}{(-1)}$
or, $\text{y}=\text{x}$
This is the required line.

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