# Resources tagged with: Cartesian equations of lines

### There are 8 results

Broad Topics >

Coordinates, Functions and Graphs > Cartesian equations of lines

##### Age 16 to 18 Challenge Level:

Follow hints to investigate the matrix which gives a reflection of the plane in the line y=tanx. Show that the combination of two reflections in intersecting lines is a rotation.

##### Age 14 to 16 Challenge Level:

I took the graph y=4x+7 and performed four transformations. Can you find the order in which I could have carried out the transformations?

##### Age 14 to 16 Challenge Level:

Position the lines so that they are perpendicular to each other. What can you say about the equations of perpendicular lines?

##### Age 14 to 16 Challenge Level:

How many intersections do you expect from four straight lines ? Which three lines enclose a triangle with negative co-ordinates for every point ?

##### Age 14 to 18 Challenge Level:

Change one equation in this pair of simultaneous equations very
slightly and there is a big change in the solution. Why?

##### Age 14 to 16 Challenge Level:

Drawing a triangle is not always as easy as you might think!

##### Age 11 to 16 Challenge Level:

In abstract and computer generated art, a real object can be
represented by a simplified set of lines. Can you create a picture
using mathematical instructions?

##### Age 14 to 16 Challenge Level:

Can you make sense of the three methods to work out the area of the kite in the square?