Quick questions on Vectors in 2D and 3D explained: H2 Mathematics Vectors and Complex Numbers

4short 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 are square-root sign errors?

Show answer

The magnitude uses the sum of squares; negative components still contribute positively.

What is q1?

Show answer

Find the magnitude of

\begin{pmatrix} 2 \\ -3 \\ 6 \end{pmatrix}

. [2 marks]

What is q2?

Show answer

Find the midpoint of

A(1, 4, -2)

and

B(3, 0, 6)

. [2 marks]

What is q3?

Show answer

State the condition for two vectors to be parallel. [1 mark]

Have a question we have not covered?

This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.

All MathsQ&A pages