Gary mails 10 to 3 power flyers to clients in one week. How many flyers does Gary mail
2 answers:
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To the nearest tenth the zeroes are:
EXPLANATION
The constant term is 2, and the coefficient of the highest degree is -5 so test all rational factors of
These are;
Good for us the very first one is a root. Therefore,
is a root. These also means that
is a factor. Therefore we perform long division to find the other factors as follows.
We can now factor the polynomial as,
This implies that,
Which gives us
Or
We complete the square to obtain,
Taking square root of both sides gives;
This implies
EXPLANATION
The constant term is 2, and the coefficient of the highest degree is -5 so test all rational factors of
These are;
Good for us the very first one is a root. Therefore,
is a root. These also means that
is a factor. Therefore we perform long division to find the other factors as follows.
We can now factor the polynomial as,
This implies that,
Which gives us
Or
We complete the square to obtain,
Taking square root of both sides gives;
This implies