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ewan
There are many ways: one is to factorise. If the quadratic is written as ax2 + bx + c then, if b2 = 4ac, the quadratic is a perfect square. It is (x - b/2a)2
1) Put everything on the left side, and factor.2) Complete a perfect square on the left side.3) Use the quadratic formula. If ax2 + bx + c = 0, then x = (-b plusminus squareroot(b2 - 4ac)) / 2a.
famous
A function is a relation where one variable specifies a single value of another variable. Presenting relation and function can be done different ways including verbal, numerical, algebraic, and graphical.