Four equivalent forms of a quadratic function are given. Which form displays the zeros of function h?

Mathematics

2 answers:

galina1969 [7]2 years ago

8 0

A). because the roots are shown. The roots of this quadratic function would be x=2, and x=-2

leonid [27]2 years ago

4 0

Answer:

A. h(x) = -4(x − 2)(x + 2)

Step-by-step explanation:

It's easiest to obtain roots from the factorize form

h(x) = -4(x − 2)(x + 2) = 0

x = 2, -2

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Answer:

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Step-by-step explanation:

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Answer:

$P(X$

And we can find this probability using excel or the normal standard tabe 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 temperatures of a population, and for this case we know the distribution for X is given by:

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