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Factoring a Polynomial W/O Quadratic formula
What's the quickest way to factor a polynomial that has a coefficient other than 1 on the x^2 term? i.e. without using the quadratic equation. e.g. f(x)=2x^2-9x+9
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In the first hour of a bake sale, students sold either cho
In the first hour of a bake sale, students sold either chocolate chip cookies, which sold for $1.30, or brownies, which sold for $1.50. What was the ratio of chocolate chip cookies sold to brownies...
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What is the X intercept of non horizontal line
What is the X intercept of non horizontal line m? (1) The slope of m is 4 times the y intercept of m (2) The y intercept of line m is -2. I would like to see the graphical approach for Statement 1. I'm...
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Line L passes through points (0, -5) and S (4, 0) (see figur
Attachment:CG.pngLine L passes through points (0, -5) and S (4, 0) (see figure above). Point P with coordinates (x, y) is a point on line L. Is xy > 0 ? (1) x > 4 (2) y > -5
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The sequence of numbers a1, a2, a3, ..., an is defined by an
The sequence of numbers a1, a2, a3, ..., an is defined by an = 1/n - 1/(n+2) for each integer n >= 1. What is the sum of the first 20 terms of this sequence? A. (1+1/2) - 1/20 B. (1+1/2) -...
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How many of the integers that satisfy the inequality
This topic have been merged with: http://gmatclub.com/forum/topic-134194.html
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Maximize area of triangle question
So if we have 2 sides of a triangle 5 and 8 to maximize the triangle it has to be a right triangle? If we have to find the hypotenuse of this triangle it would be X^2 = 5^2 + 8^2 ( why does it have to...
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If S is a set of integers and 5 is in S, is every multiple o
If S is a set of integers and 5 is in S, is every multiple of 5 in S? (1) If x is in S, then x+5 is in S (2) If x is in S, then x-5 is in S
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Hard GMAT Practice Qs Only?
I've gone through the MGMAT WT book and finished all the contained practiced questions, and I plan to do the same for the MGMAT NP book. I'm considering using only the "Hard Quant" GMAT Toolkit iPhone...
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If m
If m<0, which of the following must be true? A. –100 < m < 100 B. m ≤ –1 C. m ≤ 1 D. m^2 ≥ 1/4 E. –100 < m < 0P.S: Bunuel/VeritasPrepKarishma- guys I would request you to provide an...
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HELP! Ops on (Ir)Rationals & Sequences
Hi all, I'm looking for some help here. I am consistently struggling with operations on irrational / rational numbers and sequence problems and I learn best by understanding the logic behind a...
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The figure above represents a rectangular tile. The 8 hexago
Attachment:hexagon.jpgThe figure above represents a rectangular tile. The 8 hexagons in the design are equilateral and equiangular. what is the area of the tile? (1) w = 5 inch (2) l = 3*(root 3) inch
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Store R and S each discounted their selling prices of a cert
Store R and S each discounted their selling prices of a certain television model. Is the discounted price of the television at store R Less than the discounted price at store S? (1) The selling price...
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If a and b are positive integers, which of the following can
If a and b are positive integers, which of the following cannot be odd? A. (2+4a)/(4+4b) B. (4a)/(b) C. a/b D. (4+a)/(2+4b) E. (4+a)/(1+4b)P.S: Bunuel/VeritasPrepKarishma- guys I would request you to...
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A factory has three types of machines, each of which works a
A factory has three types of machines, each of which works at its own constant rate. If 7 Machine As and 11 Machine Bs can produce 250 widgets per hour, and if 8 Machine As and 22 Machine Cs can...
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For positive integers x and y, which of the following can
For positive integers x and y, which of the following can be written as y^2? A. (x+1)! B. (x+9)! C. x^2−9 D. x^2+1 E. ((x+1)^2)!
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A bank offers an interest of 5% per annum compounded annua
A bank offers an interest of 5% per annum compounded annually on all its deposits. If $10,000 is deposited, what will be the ratio of the interest earned in the 4th year to the interest earned in the...
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How many prime numbers n exist such that 90 < n < 106 and
How many prime numbers n exist such that 90 < n < 106 and n is a factor of 99999919? A. Zero B. One C. Two D. Three E. More than three
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At a meeting of the 7 Joint Chiefs of Staff, the Chief of
At a meeting of the 7 Joint Chiefs of Staff, the Chief of Naval Operations does not want to sit next to the Chief of the National Guard Bureau. How many ways can the 7 Chiefs of Staff be seated around...
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