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katovenus [111]
3 years ago
6

Which algebraic expression is a polynomial? 4x2 – 3x + StartFraction 2 Over x EndFraction –6x3 + x2 – StartRoot 5 EndRoot 8x2 +

StartRoot x EndRoot –2x4 + StartRoot 3 Over 2 x EndRoot
Mathematics
1 answer:
stealth61 [152]3 years ago
5 0

Answer:

Step-by-step explanation:

"4x2 – 3x + StartFraction 2 Over x EndFraction" is definitely not a polynomial because one of the exponents of x is negative.

"–6x3 + x2 – StartRoot 5 EndRoot" is a polynomial because all of the exponents of x are integers 0 or greater.  

The presence of any root (fractional exponents included) of the variable x automatically disqualifies such expression:  it's not a polynomial.

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Need assistance with this one please
zvonat [6]

Answer:

C, 4x²y² + 5x + 1

Step-by-step explanation:

to solve, we can first factor the numerator by finding a GCF.

\frac{24x^3y^3+30x^2y+6xy}{6xy}

the GCF of the numerator would be 6xy, as each term can be divided by 6xy. we have the following:

6xy(\frac{4x^2y^2+5x+1}{6xy})

we can cancel out the numerator and the denominator as both contain 6xy so we have the following:

4x²y² + 5x + 1

we cannot simplify this any further, so our answer is C

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Which expression has the greatest value |-21|, |14|, |30|, |-45|
tresset_1 [31]

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|-45|

Step-by-step explanation:

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