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# Tutor profile: Dorothy C.

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Dorothy C.
PhD student in Biochemistry, Tutor for 6 Years
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## Questions

### Subject:SAT II Mathematics Level 2

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Question:

I get very confused about questions that include polynomials. When there is an x, no matter if its factorization, or limit, or graphical, I don't know where to start.

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Dorothy C.

Remember that x just means any number! If polynomials confuse you, for many questions, it is a good idea to assume that x is a certain number and just look at the pattern. For example, for limit questions, substitute a large value of x (like 100,000,000) and see what number the calculated value is close to! If it's graphical, substitute a few numbers of x and sketch the points out on a graph, and you will often find a pattern. Of course, not all questions can be answered this way, and we can work on specific approaches to different question types, but substitution is often a good way to start with.

### Subject:SAT II Chemistry

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Question:

There are many quantitative questions in SAT chemistry that require doing math, but my math is not so good and I frequently get them wrong. What do I do?

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Dorothy C.

Indeed there are a lot of quantitative questions, but they often have more to do with conceptual chemistry than mathematics, so don't be scared! In fact, the most important thing is to figure out which equations are applicable to the scenario presented in the question, which has a lot to do with understanding the actual chemistry. Is it a thermodynamics problem? An equilibrium problem? We can figure it out by looking at the conditions given in the question, and seeing which equations we have learnt can be used with those conditions. Let's try some practice problems!

### Subject:ACT

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Question:

I have a low score in the ACT reading section. How can I improve it?

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Dorothy C.

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