ACCUPLACER is a series of tests that evaluate students’ skills in reading, writing, and math to help college administrators place them in courses that match their skills.

The ACCUPLACER tests a lot of the same skills that the SAT and ACT test. However, the SAT and ACT are entrance tests. This means that you take these tests before you’ve been accepted to a college. In contrast, the ACCUPLACER is a placement test.

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Broken down by test components, the SAT has a reading test that takes 65 minutes, a 35-minute writing and language test and an 80-minute math section. The ACT is comprised of a 35-minute reading test, 45-minute English test, 60-minute math section and 35-minute science test.

Most colleges require either the SAT or ACT and express no preference for either test. That said, significant percentages of students at selective colleges are submitting scores from both tests when they apply.

Questions on the SAT Math Test are distributed among these three topics with 19 Heart of Algebra questions, 17 Problem Solving and Data Analysis questions, and 16 Passport to Advanced Math questions.

The math person The SAT likely won’t be too hard on the math front. The trigonometry is high level and the word problems aren’t unlike questions you’ve seen in class. Sure, some of the algebra can get a little technical, but if you are strong in this area you’ll likely excel on the test.

Bill Gates took Math 55. To get a sense of the kind of brains it takes to get through Math 55, consider that Bill Gates himself was a student in the course. And if you’d like to sharpen your brain like Microsoft’s co-founder, here are The 5 Books Bill Gates Says You Should Read.

• The Collatz conjecture. XKCD.
• The Beal conjecture. The Beal conjecture basically goes like this…
• The Inscribed Square problem. Claudio Rocchini.
• Goldbach’s conjecture. Similar to the Twin Prime conjecture, Goldbach’s conjecture is another seemingly simple question about primes and is famous for how deceptively easy it is.

But those itching for their Good Will Hunting moment, the Guinness Book of Records puts Goldbach’s Conjecture as the current longest-standing maths problem, which has been around for 257 years. It states that every even number is the sum of two prime numbers: for example, 53 + 47 = 100.

Russian mathematician Grigori Perelman was awarded the Prize on March 18 last year for solving one of the problems, the Poincaré conjecture – as yet the only problem that’s been solved. Famously, he turned down the $1,000,000 Millennium Prize.

According to Sciencealert, the longest math equation contains around 200 terabytes of text. Called the Boolean Pythagorean Triples problem, it was first proposed by California-based mathematician Ronald Graham, back in the 1980s.

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Z+ is the set of all positive integers (1, 2, 3.), while Z- is the set of all negative integers (…, -3, -2, -1). Znonneg is the set of all positive integers including 0, while Znonpos is the set of all negative integers including 0.

R/Z is the full group of rotations, while Q/Z is the group of rotations by a rational number of degrees.

Atomic Number (number of protons in nucleus) Z. Zodiac. Z. Flash (logging abbreviation)

Surprising as it sounds, it looks like the English alphabet will be losing one of its letters on June 1st. The announcement came from the English Language Central Commission (ELCC).