Related Collections

You may also like

Enclosing Squares

Can you find sets of sloping lines that enclose a square?

Diamond Collector

Collect as many diamonds as you can by drawing three straight lines.

Reflecting Lines

Investigate what happens to the equations of different lines when you reflect them in one of the axes. Try to predict what will happen. Explain your findings.

Parallel Lines

Age 11 to 14
Challenge Level

It may help to keep one variable fixed and just change the other one:

you could keep the gradient fixed and change the intercept,
or you could keep the intercept fixed and change the gradient.

How do these changes affect the equation of the line?
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
Copyright © 1997 - 2023. University of Cambridge. All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project.