1Write all of the following statement(s) that apply to the following polynomial: -8x + 2x2 – 3
It is a binomial.
It can be evaluated at x = -1/3
It has a coefficient of 8.
It is quadratic.
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OpenStudy (anonymous):
How many terms are there 1 or 2 or 3 tell me first??
OpenStudy (anonymous):
3
OpenStudy (anonymous):
So apply this one:
Binomial means having two terms..
Since it has 3 so first option gets cancel...
OpenStudy (anonymous):
What is here the highest power??
OpenStudy (anonymous):
2
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OpenStudy (anonymous):
Yes..
Polynomial having degree 2 is called Quadratic..
So last one is right..
OpenStudy (anonymous):
And here is x coefficient is -8 and not 8 also the coefficient of \(x^2\) is 2..
So third option also gets cancel..
OpenStudy (anonymous):
so can it be evaluated at x= -1/3 ?
OpenStudy (anonymous):
Don't go this way..
OpenStudy (anonymous):
Evaluated means can we find the values by plugging -1/3 in the expression
yes we can evaluate this..
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OpenStudy (anonymous):
I got 0
OpenStudy (anonymous):
How???
OpenStudy (anonymous):
Show me your work..
OpenStudy (anonymous):
even if you solved for the value of x, you will not get -1/3
OpenStudy (anonymous):
We have to evaluate this and not solve @panlac01
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OpenStudy (anonymous):
Simply put x = -1/3 in the expression:
What do you get tell me??