Calculus & Vectors (MCV4U) · Lines Planes 3D

Intersections of Lines and Lines

10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.

Start the 10 questions Curriculum: MCV4U-LP3.3

Sample: the first question, solved

Two lines have direction vectors (2,3) and (4,6). What is true about them?

📘 Worked solution
(4,6)=2×(2,3), so the direction vectors are scalar multiples — the lines are parallel.

And one from the hard end

What does it mean for two 3D lines to be "skew"?

Solution shown after you try it in practice mode.

Work through all 10, easiest to hardest

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