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If 4*x - 3*y = 13 and 5*x + 2*y = -1, then x =
Which of the following is a root of the equation $$2*x^2 - 20*x = 48$$?
If $$\sqrt{2·x^{2}+2·x·y+13·y^{2}}=x+3·y$$ , then x =
Which of the following inequalities is equivalent to 12 - 3*x < -18
If $$\frac{6}{11}$$ of k is $$\frac{8}{41}$$ , what is $$\frac{3}{11}$$ of k? _____/_____
If $${2+\frac{3}{n}\over3+\frac{2}{n}}={\frac{5}{4}}$$, what is the value of n? _____/_____
If ∠CFD = 85° , then what is the value of x? Note: Figure not drawn to scale GRE、gre题库、gre模考、gre考满分
In the diagram, AE = 20, AD = 14, CD = 6 and EB = 17. What is the length of line segment BC?

Note: Figure not drawn to scale.
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What is the area of the circle? GRE、gre题库、gre模考、gre考满分
In terms of x and y, what is the area of the shaded region?

Note: Figure not drawn to scale.
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What is the value of y?

Note: Figure not drawn to scale
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What is the value of x? GRE、gre题库、gre模考、gre考满分
If AD = 3x, AE = 5x, EB = y and DC = 5y, what is the ratio of the area of triangle DEC to the area of rectangle ABCD ?

Note: Figure not drawn to scale
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If the areas of the 4 squares are 50, 32, 18 and 12, what is the ratio of the small shaded portion to the area of the large shaded portion?

Note: Figure not drawn to scale
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In the figure below, ABC is a sector with center A. If arc BC has length 4π, what is the length of AC _____ GRE、gre题库、gre模考、gre考满分
In the quadrilateral shown here, a+b+c+d= _____ GRE、gre题库、gre模考、gre考满分


Quantity A

a+b+c+d

Quantity B

e+f+g+h


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Quantity A

x

Quantity B

y


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Circle A has radius x

Circle B has diameter 2*x

Quantity A

The circumference to diameter ratio of circle A

Quantity B

The circumference to diameter ratio of circle B


Quantity A

Area of circle with radius (sqrt7)

Quantity B

Area of circle with diameter (sqrt14)


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