Interactive macro-enabled MS-Excel spreadsheet. Contents: Solve two linear equations, add or subtract (+ve x & y). Solve two linear equations, add or subtract (±ve x & y). Solve two linear equations, ...

Brighten up algebra lessons in the run up to Christmas with this fun little festive challenge. Students are presented with festive drinks orders and challenged to find the cost of the individual ...

Be careful to note what a GCSE question is asking. If it states ‘solve algebraically’ then you must do so. To find solutions from graphs, look for the point where the two graphs cross one another.

Before starting this guide, it may be helpful to read the guide from M1 on coordinates and graphs. To solve the equations graphically, the two lines 𝒚 = 𝒙 + 1 and 𝒚 = 2𝒙 - 1 are drawn on the same ...

To solve a system of equations means to obtain a common x-value and a common y-value that makes each of the equations in the system true. To solve a system of equations by graphing means to obtain the ...

This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...