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Alborosie
2 years ago
14

What is a quartic function with only the two real zeroes given? x=5 and x=1

Mathematics
2 answers:
JulijaS [17]2 years ago
8 0

Answer: 1. B) -6, -2

2. A) 7 - square root 3, 2 + square root 6

3. B) 1, 3/2, +- 5i

4. D) s^5 + 40s^4v + 640s^3v^2 + 5,120s^2v^3 + 20,480sv^4 + 32,768v^5

5. B) y= x^3 + 4x -2x - 5

6. C) 7.5

7. A) 1

8. D) y=x^4-6x^3+6x^2-6x+5

Step-by-step explanation: 100% :)

Paha777 [63]2 years ago
7 0

The answer is

Y=x^4-6x^3 +6x^2 -6x+5

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What is 6[4x(72-63)/3]
Fed [463]
648 Im pretty sure if not let me know
3 0
3 years ago
Find two consecutive odd integers whose product is 1443
liberstina [14]

Let's x represents the first odd integer

The next consecutive integer would be represented as x+2.

So x and x+2 being multiplied together will give us 1443:

(x)(x+2)=1443

x^2+2x=1443

x^2+2x-1443=0

By solving the quadratic equation using the quadratic formula, x will equal to 37 and -39.

Since the problem says "integers", so I'm assuming two pairs of consecutive integers would be ok.

With that said you 1st pair will be: 37,39

Your second pair will be: -37,-39.



6 0
2 years ago
I was at the store and saw two sizes of avocados being sold. The regular size sold for $0.79 each. For what prices would the lar
Anon25 [30]

Answer:

the price on the larger avocado maybe a little more but at the same time it's better because of the fact yes you're paying a little more but you get a little more than you would with the smaller avocados

3 0
3 years ago
A researcher is interested in the lengths of brook trout, which are known to be approximately Normally distributed with mean 80
aliya0001 [1]

Answer:

P(X

And we can find this probability with the normal standard distirbution or excel and we got:

P(z

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the lenghts of a population, and for this case we know the distribution for X is given by:

X \sim N(80,5)  

Where \mu=80 and \sigma=5

We are interested on this probability

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X

And we can find this probability with the normal standard distirbution or excel and we got:

P(z

6 0
3 years ago
Question 1 (10 points). (a) Explain the difference between linear and logistic regression. (Explain at least two differences and
cricket20 [7]

Answer:

(a) <em>Linear regression</em> is used to estimate dependent variable which is continuous by using a independent variable set. <em>Logistic regression</em> we predict the dependent variable which is categorical using a set of independent variables.

(b) Finding the relationship between the Number of doors in the house vs the number of openings. Suppose that the number of door is a dependent variable X and the number of openings is an independent variable Y.

Step-by-step explanation:

(a) Linear regression is used to estimate dependent variable which is continuous by using a independent variable set .whereas In the logistic regression we predict the dependent variable which is categorical using a set of independent variables. Linear regression is regression problem solving method while logistic regression is having use for solving the classification problem.

(b) Example: Finding the relationship between the Number of doors in the house vs the number of openings. Suppose that the number of door is a dependent variable X and the number of openings is an independent variable Y.

If I am to predict that increasing or reducing the X will have an effect on the input variable X or by how much we will make a regression to find the variance that define the relationship or strong relationship status between them. I will run the regression on any computing software and check the stats result to measure the relationship and plots.

3 0
2 years ago
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