LisaWid
Answered

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

Sagot :

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

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

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