The gre anlytycal writting section 7 pdf

... 49x 3 + 21x,7x is the greatest common factor of both terms. Therefore, you can divide 49x 3 + 21x by 7x to get the other factor. ᎏ 49x 3 7 + x 21x ᎏ = ᎏ 49 7 x x 3 ᎏ + ᎏ 2 7 1 x x ᎏ = 7x 2 + 3 Thus, ... number, the inequality symbol changes direction. x – 2y = 9 ᎏᎏ –(x – 5y = 3) – THE GRE QUANTITATIVE SECTION 174 Quadratic equations can have two real solutions, as in th...

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... is a right angle A B C – THE GRE QUANTITATIVE SECTION 144 T his chapter will help you prepare for the Quantitative section of the GRE. The Quantitative sec- tion of the GRE contains 28 total questions: ■ 14 ... time on any one question. These time management strategies apply to the Verbal section of the GRE; they also will serve you well on the Quantitative portion...

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... 5x. A BC D P x° y° – THE GRE QUANTITATIVE SECTION 149 15. The rectangular rug shown in the figure above has a floral border 1 foot wide on all sides. What is the area, in square feet, of the portion of the rug ... ᎏ 7 3 ᎏ of d d. d is 5 times n e. d is 2 times n 17. How many positive whole numbers less than 81 are NOT equal to squares of whole numbers? a. 9 b. 70 c. 71...

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... point. Then, to determine the placement of the decimal point in the answer, count the numbers located to the right of the decimal point in the decimals being multiplied. The total numbers to the ... d – THE GRE QUANTITATIVE SECTION 1 57 For example, convert 5 ᎏ 1 3 ᎏ to an improper fraction. 1. First, multiply the denominator by the whole number: 5 ϫ 3 = 15. 2. No...

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... all the variables on one side and all the numbers on the other. 4. The final step often is to divide each side by the coefficient, leaving the variable equal to a number. – THE GRE QUANTITATIVE SECTION 165 Examples: .45 ... in the answer,count the numbers located to the right of the decimal point in the decimals being multiplied. The total numbers to the right of...

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... using the reverse of the distributive law. Example: In the binomial 49x 3 + 21x,7x is the greatest common factor of both terms. Therefore, you can divide 49x 3 + 21x by 7x to get the other factor. ᎏ 49x 3 7 + x 21x ᎏ = ... all the variables on one side and all the numbers on the other. 4. The final step often is to divide each side by the coefficient, leaving the variabl...

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... degrees. Acute Angle 1 2 AC D B Endpoint, or Vertex ray ray – THE GRE QUANTITATIVE SECTION 179  Geometry Review About one-third of the questions on the Quantitative section of the GRE have to do with geometry. How- ever, you will ... angle. l 1 l 2 l l 2 1 A B l – THE GRE QUANTITATIVE SECTION 178 Translating Words into Numbers The most important skill needed for w...

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... if the sum of their measures is equal to 180 degrees. ADJACENT ANGLES Adjacent angles have the same vertex, share a side, and do not overlap. The sum of all possible adjacent angles around the ... m∠3 = 180° 3 2 1 – THE GRE QUANTITATIVE SECTION 184 Example: mЄ1 = mЄ3 + mЄ5 mЄ4 = mЄ2 + mЄ5 mЄ6 = mЄ3 + mЄ2 ■ The sum of the exterior angles of a triangle equal to 360 degrees. Tr...

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... with the other angles measuring 30 and 60 degrees: ■ The leg opposite the 30-degree angle is half the length of the hypotenuse. (And, therefore, the hypotenuse is two times the length of the leg ... leg opposite the 30-degree angle.) ■ The leg opposite the 60-degree angle is 3 times the length of the other leg. 10͙2 ෆ ᎏ 2 ͙2 ෆ ᎏ 2 10 x x ͙2 ෆ ᎏ 2 45° 45° – THE GRE...

Ngày tải lên: 07/08/2014, 13:21