wickerh23 wickerh23

11-05-2019
Mathematics

contestada

What is a quadratic function (f) whose zeros are 2 and -11

Respuesta :

jimrgrant1 jimrgrant1

11-05-2019

Answer:

f(x) = x² + 9x - 22

Step-by-step explanation:

Given that x = 2 and x = - 11 are zeros, then

(x - 2) and (x + 11) are factors

and f(x) equals the product of the factors

f(x) = (x - 2)(x + 11) ← expand factors

f(x) = x² + 9x - 22 ← is a possible function

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