SOLUTION: Please help w/ the following:
Use synthetic division to determine which pair of integers provide both a lower and an upper bound for the zeros of :
f(x)= 2x^4-14x^3+22x^2+14
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Question 62520: Please help w/ the following:
Use synthetic division to determine which pair of integers provide both a lower and an upper bound for the zeros of :
f(x)= 2x^4-14x^3+22x^2+14x-24?
Thank You.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Use synthetic division to determine which pair of integers provide both a lower and an upper bound for the zeros of :
f(x)= 2x^4-14x^3+22x^2+14x-24?
---------------------
-2 )2 -14 22 14 -24
2 -18 58 -102 +180
----------------------
-1 )2 -14 22 14 -24
2 -16 38 -24 0
Therefore a zero between x=-2 and x=0;
the zero is at x=-1
-----------------
0 ) 2 -14 22 14 -24
f(0)=-24
----------
1 )2 -14 22 14 -24
2 -12 10 24 0
Therefore a zero between x=0 and x=2;
the zero is at x=1
-------------
There is another zero at x=3 and another
at x=4.
------
I'll let you state the lower and upper bounds.
Cheers,
Stan H.
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