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Arturiano [62]
3 years ago
11

Write the function of the polynomial with zeros 1, 2, 1, -4 with a leading coefficient of -2.

Mathematics
1 answer:
dimaraw [331]3 years ago
5 0

Answer:

I think it would be f(x) = -2x^4 + 22x^2 - 36x + 16

Step-by-step explanation:

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Classify the polynomial by its degree and the number of terms. 8x²- 3y + 7
katen-ka-za [31]

Answer:

2nd degree

Step-by-step explanation:

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-8y^10 / 2y^5<br> write using positive exponents
Rashid [163]

Answer:

Step-by-step explanation:

\dfrac{a^{m}}{a^{n}}=a^{m-n}\\\\\dfrac{-8y^{10}}{2y^{5}}=\dfrac{-4y^{10}}{y^{5}}=-4*y^{10-5}= -4y^{5}

3 0
3 years ago
Can anyone help me with the 7th and 8th question which I have taken a bad photo of?
Vsevolod [243]
<u>Question 7:

Define x :
</u>
Let the digit in the ones place be x.
The digit in the tens place is  x+2.

The sum of the digit and its reverse is 66

<u>Find x:</u>

10(x + 2) + x + 10x + (x + 2) = 66
10x  + 20 + x + 10x + x + 2 = 66
22x + 22 = 66
22x = 44
x = 2

<u>Find the number:</u>

The number in the ones place = x= 2
The number in the tens place = x = 2 + 2 = 4

Answer : The number is 42.

<u>Question 8:</u>

<u>Define x:</u>

Let the digit in the tens place be x.
The digit in the ones place is x+7.

The number  = 10x + x + 7 = 11x + 7

If the digit interchange,
the number = 10(x + 7) + x = 10x + 70 + x = 11x + 70

<u>Find x:
</u>
9(11x + 7) = 2(11x + 70)
99x + 63 = 22x + 140
99x - 22x = 140 - 63
77x = 77
x = 1

<u>Find the number:
</u>
x = 1
x + 7 = 1 + 7 = 8
So the number is 18

Answer: The number is 18.

7 0
3 years ago
Assume that a population of 50 individuals has the following numbers of genotypes for a gene with two alleles, B and b: BB = 30,
Andreas93 [3]

Answer:

the frequency of allele B is 0.7 and allele b is 0.3 in population’s gene pool.

Step-by-step explanation:

Allele frequency is how often an allele occurs in a gene pool relative to the other alleles for that gene

<u>Genotype</u>    <u> No. of Individuals</u><u> </u>     <u>No. of Allele </u><u>B</u>   <u>No. of Allele</u><u> b </u>                      

BB                    30                            30*2 =60                   30*0 =0

Bb                     10                            10*1 =10                       10*1=10

bb                     10                             10 *0 =0                      10*2=20

Total                 50                              70                                 30

Total no. of alleles = 70+30 =100

The frequency of allele B :\frac{\text{number of B alleles}}{\text{total number of alleles}}

:\frac{70}{100}

:0.7

The frequency of allele b :\frac{\text{number of b alleles}}{\text{total number of alleles}}

:\frac{30}{100}

:0.3

Hence the frequency of allele B is 0.7 and allele b is 0.3 in population’s gene pool.

6 0
4 years ago
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