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Lena [83]
3 years ago
5

What does changing the k variable do to the graph of a quadratic function

Mathematics
1 answer:
serg [7]3 years ago
8 0

Answer:

Shift Up and Down by Changing the Value of k

If k>0 , the graph shifts upward, whereas if k<0 , the graph shifts downward.

Step-by-step explanation:

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A slope-intercept equation of the line whose graph is perpendicular to
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Step-by-step explanation:

let eqn be y = mx + b.

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9y = -2x + 8

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3 years ago
What will happen (other things being equal) if you increase the sample size used to construct a given confidence interval?
Bumek [7]

Answer:

So if you increase the sample size used to construct a given confidence interval, the confidence interval will be narrower, that is, more precise.

Step-by-step explanation:

The sample size is important to find the margin of errror of a confidence interval.

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M = \frac{c*s}{\sqrt{n}}

In which c is the critical value(depends on the distribution used, can be T or Z), s is the standard deviation(of the sample or the population) and n is the size of the sample.

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The lower the margin of error, the more precise the interval is.

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6 0
3 years ago
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