MCQ
What can be said regarding a line if its slope is negative?
  • A
    $\theta$ is an acute angle
  • $\theta$ is an obtuse angle
  • C
    Either the line is $x-$axis or it is parallel to the $x-$axis
  • D
    None of these

Answer

Correct option: B.
$\theta$ is an obtuse angle
The line with a negative slope makes an obtuse angle with a positive $x-$axis when measured in the anti$-$clockwise direction.

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