Unformatted text preview: x+1=±sqrt(2) x=±sqrt(2)1 These would be hard to find by just guessing. Also, note that there is a +/ symbol, showing that there are two roots, one using the + sign and the other using the – sign. This is usual for quadratics. A quadratic is also known as a seconddegree polynomial, it can have at most two distinct roots (which do not have to be real numbers)....
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 Spring '10
 a.b.
 Perfect square, Quadratic equations, Quadratic equation, seconddegree polynomial

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