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# Tutor profile: Rebecca R.

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Rebecca R.
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## Questions

### Subject:Pre-Calculus

TutorMe
Question:

Complete the square, for an equation x^2 + 6x = 0.

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Rebecca R.

Divide x's coefficient (6) by 2, and square the result. Then add the result to both sides of the equation. So that would look like: x^2 + 6x + 9 = 9 And then, factor normally: (x+3)^2 = 9

### Subject:Statistics

TutorMe
Question:

What does a p-value mean in a significance test?

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Rebecca R.

Operating under the assumption that our null hypothesis is true, our p-value is the probability of getting results as extreme (or more extreme) as the results we obtained in our sample. The smaller the p value, the more unlikely we are to be able to replicate such extreme results if we assume that our null hypothesis is true.

### Subject:Algebra

TutorMe
Question:

What is a primary difference between the parent function for a parabola and a parent function for a line?

Inactive
Rebecca R.

The 'x' degree is squared in a parabola, whereas in a line its degree is 1.

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