shinst4eaLa7nd
shinst4eaLa7nd shinst4eaLa7nd
  • 16-08-2016
  • Mathematics
contestada

Find the zeros of the function f(x) = x2 - 5x - 6 by factoring.
What is the largest zero of the function? Enter a number only.

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caylus
caylus caylus
  • 18-08-2016
Hello,

the greatest zero is 6.

x²-5x-6=x²+x-6x-6=x(x+1)-6(x+1)=(x+1)(x-6)
roots are -1 and 6.

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meerkat18
meerkat18 meerkat18
  • 19-08-2016
We are asked to factor the given trinomial. In this case, the second term coefficient is equal to the the negative sum of the roots of the equation while the third coefficient is equal to the negative product of the roots. Hence the factors are (x-6) and (x+1). The larger zero is 6. 
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