So what formulas do you need to have memorized for the SAT math section before the day of the test? In this complete guide, I'll cover every. Key Formulas. Pythagorean Theorem. a2 + b2 = c2, where a and b are the lengths of the legs of a right triangle and c is the length of the hypotenuse. Area of a. information" and lists a few Double/Half Angle Formulas Tested on Math Level.


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The Pythagorean theorem is easier, more basic, and less prone to mistakes than the distance formula. So unless you are a whiz at the distance formula and never make careless mistakes on math questions, I would stick with the advice of Mr.

That being said, there are still sat math 2 formulas few things you must know by heart on test day.

SAT Subject Math Formula Reference pdf

Also know what the discriminant is. If the discriminant is ZERO, then there is 1 real root. Sat math 2 formulas is the same as average. Median is the number in the middle after rearranging from low to high. In the case that the list has no true middle because it has an even number of terms, find the average of the middle two.


Multiple modes are possible if there is a tie for greatest frequency: Integers are whole numbers, including zero and negative whole sat math 2 formulas. Think of them as hash marks on the number line. Remember that -3 is less than -2, not the other way around sounds simple but is a common mistake.

Prime numbers are positive integers that are only divisible by themselves and the number 1. Be able to list all the primes you sat math 2 formulas 1 and 50…remember that 1 is not a prime and there are no negative primes.

By the way, 51 is not prime…that question actually showed up on a recent SAT. What, you forgot your sat math 2 formulas tables for 17? The prime factorization of 18, for example, is 3 x 3 x 2.


These are particular types of Right Triangles sat math 2 formulas just happen to have exact integers as sides. The SAT loves to use them, so know them by heart and save yourself the trouble of calculating all those roots. Here are the ones they use: Digits are to numbers what letters are to words.

There are only 10 possible digits, 0 through 9.

SAT Math Formulas To Memorize

For example the multiples of 5 are 5,10,15,20 etc. The trigonometry questions on Level sat math 2 formulas place more emphasis on the properties and graphs of trigonometric functions, the inverse trigonometric functions, trigonometric equations and identities, and the laws of sines and cosines.

Data Analysis, Statistics and Probability. Both Level 1 and Level 2 include mean, median, mode, range, interquartile range, data interpretation and probability.

Level 2 also includes standard deviation.

SAT Math Formulas To Memorize - Get Schooled

sat math 2 formulas Both include least-squares linear regression, but Level 2 also includes quadratic and exponential regression. Seek advice from your high school math teacher if you are still unsure of which test to take.

Keep in mind you can choose to take either test on test day, regardless of what test you registered for.

  • SAT Subject Tests – Mathematics Level 1 Overview and Practice – The College Board
  • Circle equations — Basic example (video) | Khan Academy
  • SAT Math Tips Post
  • Test Basics

Please note that these tests reflect what is commonly taught in high school.

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