An equation is a mathematical statement showing that two expressions are equal. The two expressions are linked with an equals symbol (=). The unknown variable (often the letter \(x\)) can take any ...

Two rounds through, and it’s time to get the calculators out. For our Socceroos, the equation is relatively simple: win and through, or draw and hope Tunisia don’t defeat the reigning World Champions.

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 ...