Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -9x^2 + 7x + 2

asked Nov 9, 2015 219k views

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Select the approximate values of x that are solutions to f(x) = 0, where

f(x) = -9x^2 + 7x + 2

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f(x) = -9x^2 + 7x + 2
Factorising we get:

f(x) = (x + 1) (-9x + 2)

The solutions are x = -1 and 2/9ths

Vloxxity answered Nov 16, 2015

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