LisaW
LisaW LisaW
  • 19-10-2014
  • Mathematics
contestada

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

Respuesta :

Trim
Trim Trim
  • 19-10-2014
f(x) = -9x^2 + 7x + 2
Factorising we get:

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

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

Otras preguntas

Solve this problem log9 +log4=?
giving Brainly show work​
10 workers pick 5000 strawberries in 15 days how long does it take 10 workers to pick 6000 strawberries
1. Explain how the diffusion of the English language relates to cultural landscapes in India. 2. Explain the degree to which a cultural landscape can reflect a
cuales son las aves de la region este en la republica dominicana? pls contesten es muy importante
What is the gradient of the blue line?
Ayuda porfa, es de naturales y son cosas de la célula animal y vegetal
ending time with them is like living a story from a children's book. Even hiking becomes a unique fantasy. For example, the trail we visited last weekend had tw
Pls help ASAP the question is in the picture
3.6 gr of magnesium and 10.65 gr of chlorine calculate empirical formula