# C4 Vectors quiz

## C4 Vectors quiz

Oh, come on, vectors aren't all that bad. Are they?

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## Colin

Colin is a Weymouth maths tutor, author of several Maths For Dummies books and A-level maths guides. He started Flying Colours Maths in 2008. He lives with an espresso pot and nothing to prove.

### 2 comments on “C4 Vectors quiz”

• ##### Joshua Zucker

In the question about the equation for the line through A and B, your TeX isn’t rendering properly.

The question about the acute angle between l1 and l2, I think the answer should be none of these since the lines don’t intersect. Then the next question asks about their intersection point and I still think they don’t intersect! Maybe I’m making a huge mistake here. I get $\lambda = -2$ and $\mu = 1$ to make the $x$ and $y$ coordinates match, but then I get $-4$ and $-6$ for the $z$ coordinate.

Also you shouldn’t say “the equation”, you should say “an equation”.

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I teach in my home in Abbotsbury Road, Weymouth.

It's a 15-minute walk from Weymouth station, and it's on bus routes 3, 8 and X53. On-road parking is available nearby.