Perpendicular Lines (Grade 11 NSC Matric Mathematics): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
At what angle do perpendicular lines intersect?
At what angle do perpendicular lines intersect?
(right angle)
What is the product of gradients of two perpendicular lines?
What is the product of gradients of two perpendicular lines?
How are gradients of perpendicular lines related?
How are gradients of perpendicular lines related?
They are negative reciprocals
If a line has gradient , what is the gradient of a perpendicular line?
If a line has gradient , what is the gradient of a perpendicular line?
- rac{1}{4}
Are lines with gradients rac{3}{4} and - rac{4}{3} perpendicular?
Are lines with gradients rac{3}{4} and - rac{4}{3} perpendicular?
Yes, product is
How do you find gradient from angle of inclination ?
How do you find gradient from angle of inclination ?
What's the first step to find a perpendicular line equation?
What's the first step to find a perpendicular line equation?
Write given line as
Which form uses point and gradient to find an equation?
Which form uses point and gradient to find an equation?
When does the perpendicular gradient rule NOT apply?
When does the perpendicular gradient rule NOT apply?
Vertical or horizontal lines
If gradient m_2 = - rac{2}{3}, what is the perpendicular gradient ?
If gradient m_2 = - rac{2}{3}, what is the perpendicular gradient ?
rac{3}{2}