An alternative method to solve a quadratic equation is to complete ... right)^2 - c\) which can then be solved by taking the square root of both sides. Start by following the formula: \(x^2 ...

If a quadratic equation can be factorised ... It is not possible to find the square root of a negative number, so the equation has no solutions. The graph of \(y = x^2 + 2x + 5\) does not cross ...

Babylonians, in particular, would solve simultaneous equations to find the roots of a quadratic ... That’s 3.48 (about) and the square root is about 1.866. The roots, then, are 1.5625±1. ...