\(y = x + 3\) is a linear equation and \(y = x^2 + 3x\) is a quadratic equation. If the product of two numbers is zero, then one or both numbers must also be equal to zero. To solve, put each bracket ...

Simultaneous equations Simultaneous examples with no common coefficients Forming and solving simultaneous equations Linear and quadratic equations - Higher Solving simultaneous equations graphically ...

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 ...