Requested solution p.86 q.6

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Requested solution p.86 q.6

11/14/2013

3 Comments

Revision core chapter 2 q. 6 p. 86

3 Comments

:-)

11/14/2013 01:56:27 pm

Sir, why does x = 1?

:-)

11/14/2013 02:00:01 pm

Never mind I understand now

Mr R

11/14/2013 02:02:12 pm

x can equal any value you want. We are looking for x values that give an output of 0, i.e. when f(x) = 0 which we call solutions or roots.

We use trial and error to find the first of these values in a cubic function. We usually try x=1, then x=2, then x=3 etc... When I tried x=1 I found that it does not give an output = 0 so it isn't a root. So then I tried x = 2 and found that this value worked ...

Requested solution p.86 q.6

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