Skip to main content

Back to the full dot-point answer

NSWMaths Extension 2Quick questions

Further Work with Vectors (MEX-V1)

Quick questions on Three-dimensional vectors, lines and spheres in HSC Mathematics Extension 2: component form, magnitude, the scalar product, vector equations of lines and the equation of a sphere

1short 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 sign errors in the scalar product?
Show answer
A negative component multiplied through changes the sign of a term. Track signs carefully; a single slip flips the angle past or before 9090^\circ.

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 Maths Extension 2Q&A pages