The gre anlytycal writting section 10 pot

... 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. 10 2 ෆ ᎏ 2 ͙2 ෆ ᎏ 2 10 x x ͙2 ෆ ᎏ 2 45° 45° – THE...

Ngày tải lên: 07/08/2014, 13:21

... can be added to x + 10 to equal 180. Thus, the equation is x + x + 10 = 180. Solve for x:2x + 10 = 180 10 10 2x = 170 ᎏ 2 2 x ᎏ = ᎏ 17 2 0 ᎏ x =85 Therefore, mЄx = 85 and the obtuse angle is ... 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 angle...

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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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... In each of the questions 1 10, compare the two quantities given. Select the appropriate choice for each one according to the following: a. The quantity in Column A is greater. b. The quantity ... She then sold the skateboard for $120. the money Ida received in excess of the total amount she spent $20 3. xy 4. –2(–2)(–5) (0)(3)(9) x° z° y° l 1 l 2 l 1 ʈ l 2 – THE GRE QUA...

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... Subtract the absolute values of the numbers. 2. Keep the sign of the number with the larger absolute value. Examples: –2 + 3 = Subtract the absolute values of the numbers: 3 – 2 = 1. The sign of the ... multiplication as if there were no decimal point. Then, to determine the placement of the decimal point in the answer, count the numbers located to the right of th...

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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 ... of the number 3. If we reverse the process, we can say that the number 3 is the square root of the number 9. The symbol for square root is ͙ ෆ...

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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 ... 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...

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... – 2p for q in the other equation and solve: p + 2(11 – 2p) = 13 p + 22 – 4p = 13 22 – 3p = 13 22 = 13 + 3p 9 = 3p p = 3 – THE GRE QUANTITATIVE SECTION 173 Example: 10 Ͼ 5 so (10) (–3) Ͻ (5)(–3) –30 ... and greater than –4. – THE GRE QUANTITATIVE SECTION 175 Removing a Common Factor If a polynomial contains terms that have common factors, you can factor the polynomial by usin...

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... exam- ple, in the function f (x) = x 2 + ͙x ෆ + 10, f (x) is undefined for x = 10, since one of the terms would be ͙ 10 ෆ . – THE GRE QUANTITATIVE SECTION 177 ... 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 word problems is being able to translate words into mathematical oper- ations. T...

Ngày tải lên: 07/08/2014, 13:21