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

\(y = x + 3\) 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 ...

a parabola is a graphic depiction of a quadratic function. In the equation above, a, b and c are constants, and a is not equal to zero. (If a were zero, you would have a linear equation.) ...