COllege Admissions News and ACT / SAT Strategy

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Posts about ACT math:

ACT Math: A Lesson on Logarithms

What are logs in math? Do you use them to develop a foundation and build like beavers do? No, you don’t. Instead, in math, logs are the “opposite” of exponentials, just as subtraction is the opposite of addition. If I asked you what number (x) to the third power equals 8 (x3 = 8), then you would take the cube root of both sides and tell me the cube root of 8 equals 2.

Now consider this: if I asked you 2 raised to what power (x) gets you 8, how would you solve it? Well, we know that x=3 because 23 = 8, as we saw from the previous problem. But what steps would you take to solve this problem, or any others like it? As I mentioned before, logs are the “opposite”, or the inverse, of exponentials. Thus, one operation can undo the other. Let’s take a look at the relationship between them.

8 Critical ACT-Math Strategies


In this post we'll share 8 strategies for improving your score on the ACT-Math section. We have worked with hundreds of students, and these ideas are almost always helpful.These strategies are written in a “top 8” list format, but they aren’t necessarily in order. Depending on the student, any given strategy might be more or less effective.

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