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Beliebt >

The product of two consecutive integers is 272. Which quadratic equation can be used to find x, the smaller number?

Lösung

The product of two consecutive integers is 272. Which quadratic equation can be used to find x, the smaller number?

Lösung

The numbers : 16, 17 or - 17, - 16

Schritte zur Lösung

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x (x + 1) = 272

Löse

x (x + 1) = 272 : x = 16, x = - 17

Setze ein

x = 16 : 17

Setze ein

x = - 17 : - 16

The numbers : 16, 17 or - 17, - 16

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