Download Algebra in Words: A Guide of Hints, Strategies and Simple by Gregory P. Bullock Ph.D. PDF

By Gregory P. Bullock Ph.D.

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Additional resources for Algebra in Words: A Guide of Hints, Strategies and Simple Explanations

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1. If there are any denominators, find the least common denominator and multiply all terms on both sides by the LCD to eliminate all denominators. 2. Simplify: Identify and combine like-terms, if any. Note: #s 1 & 2 are interchangeable. You can eliminate denominators first and combine like-terms next. It is usually easier to “get rid” of fractions first, so you don’t have to go through Adding & Subtracting Fractions. 3. ” Use addition or subtraction to “move*” the constants (non-variable numbers) to the right of the equal sign and… Use addition or subtraction to “move*” the term(s) containing variables to the left of the equal sign.

You may also get a negative number as the exponent, which is fine, but in the final, simplified form of your answer, you shouldn’t leave an exponent negative. If an exponent is negative, move the factor (the base) with that exponent to the opposite part of the fraction and change the sign of the exponent to positive. Remember, any and every factor has an unwritten exponent of “1”. Also remember that when exponents add or subtract to equal zero, any base to the power zero equals 1. (Review this in: The Unwritten 1, and: Property Crises of Zeros, Ones and Negatives).

The following are those helpful sub-processes: For 2: Check to see if the number you are factoring is even. Specifically, check to see if the last digit of the number is even. If it is even, then the original number you are factoring is divisible by 2. Then you should divide it by 2 to find the other factor. If it is not even, then the number is not divisible by 2, nor is it divisible by any other even number: 4, 8, 10, 12, etc. Next, test if it is divisible by 3… For 3: Add up the digits in the number you are factoring.