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Coordinate Geometry and Vectors
Quick questions on Vectors in two dimensions explained: N(A)-Level Mathematics Coordinate Geometry and Vectors
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is multiplying by a scalar?Show answer
Multiplying a vector by a number multiplies each component by that number:
What is the magnitude of a vector?Show answer
The magnitude (length) of a vector is found with Pythagoras, just like the distance between two points:
What is sign slips when subtracting?Show answer
is , not . Subtracting moves further negative.
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