Parallel and perpendicular lines (HSC SSCE Mathematics Extension 2): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a 3D vector represented as?
What is a 3D vector represented as?
(x, y, z)
What defines a direction vector in 3D?
What defines a direction vector in 3D?
Both length and direction
What is the general form of a line in 3D?
What is the general form of a line in 3D?
r(t) = r0 + t*d
When are two lines considered parallel?
When are two lines considered parallel?
Multiples of direction vectors
What indicates perpendicular lines in 3D?
What indicates perpendicular lines in 3D?
Dot product is zero
What is a key feature of skew lines?
What is a key feature of skew lines?
They are neither parallel nor intersecting
What does the dot product of vectors indicate?
What does the dot product of vectors indicate?
Angle
What is the role of parameter t in line equations?
What is the role of parameter t in line equations?
Finds points on the line
Which software can help visualize 3D lines?
Which software can help visualize 3D lines?
GeoGebra
What is the significance of direction vectors?
What is the significance of direction vectors?
They distinguish lines