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4 years ago

write the polynomial in standard form. then name the polynomial based on its degree and number of terms. x^2+1−8x

Mathematics

2 answers:

wel4 years ago

8 0

I think it's puthy
haha it true but not at this point

alexdok [17]4 years ago

3 0

Standard form is just the polynomial in decreasing number of degree. So you have to rearrange it as : x^2 - 8x + 1. This is a second degree trinomial, as it has three terms and the highest number of degree being 2.

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4 1/3 - 2 1/2 please help Explanation:

galben [10]

Answer:

1 $\frac{5}{6}$

Step-by-step explanation:

First convert this mix number into a improper number

13/3-5/2

Then find the LCM of the denominator

26/6-15/6

Now simplify

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1 $\frac{5}{6}$

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3 years ago

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What are some expressions equivalent to 12x + 4?

Vanyuwa [196]

12x + 4

divide 4 from each monomial

12x/4 = 3x
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4(3x + 1) is a equivalent expression.

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3 years ago

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Dafna1 [17]

Answer:

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3 years ago

Write an equivalent series with the index of summation beginning at n = 1. ∞ (−1)n + 1(n + 1)xn n = 0

kkurt [141]

Looks like the starting series is

$\displaystyle\sum_{n=0}^\infty\left((-1)^n+1\right)(n+1)x^n$

Note the degree of the first few terms in the series, for $n=0,1,2$ , are $x^0,x^1,x^2$ , and so on.

So if the series were to start at $n=1$ , we would need to preserve that pattern, and we do that by replacing $n$ with $n-1$ :

$\displaystyle\sum_{n=1}^\infty\left((-1)^{n-1}+1\right)(n-1+1)x^{n-1}$

Simplifying a bit, we end up with

$\displaystyle\sum_{n=1}^\infty\left(1-(-1)^n\right)nx^{n-1}$

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3 years ago

Prove that the difference between 9th square number and 5th square number is a multiple of 8?

Yuki888 [10]

Answer:

Step-by-step explanation:

9th square number = 81

5th square number=25

81-25=56

56 is a multiple of 8 as 8 x 7=56

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3 years ago