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题目内容
x ≠ 0

$$(a+\frac{1}{a})^{2}$$=5

Quantity A

$$a^{2}$$+$$(\frac{1}{a})^{2}$$

Quantity B

3


y > 1

Quantity A

100$$y^{2}$$

Quantity B

225($$y^{2}$$ - 1)


Which of the following is an odd integer?
Which of the following values is the largest?
$$\sqrt{500}$$=k$$\sqrt{m}$$, where k and m are positive integers. What is the greatest possible value of (m+k)?
A customer purchased n items at Store F. If 5 of the n items cost $7 each and the remaining items cost $9 each, then in terms of n, what was the total cost, in dollars, of the items purchased by the customer at Store F?
3x-2k=7

9x-6k=21

Quantity A

x

Quantity B

k




Quantity A

The number of integers n such that -9 < 2n+1 < 15

Quantity B

11


Which of the following best represents the graph of the equation y-5x+4=0 in the xy-plane?



Two shaded square regions, including their edges, are shown above in the xy -plane and are labeled I and II, respectively. $$S$$ is the set of all possible slopes of line segments $$PQ$$, where point $$P$$ is in region I and point $$Q$$ is in region II.

Quantity A

The greatest member of set $$S$$

Quantity B

$$\frac{4}{3}$$




Lines k and l lie in the xy-plane and are parallel.

Quantity A

a

Quantity B

b


In the rectangular coordinate system, the point (2, 1) is on a circle whose center is (-2, -1). What is the circumference of the circle?


In the xy-plane, a circle with point O at the center is tangent to both the x-axis and the y-axis. AB is a diameter of the circle.

Quantity A

m

Quantity B

n




Quantity A

x+y

Quantity B

90






Quantity A

y

Quantity B

115




The figure above consists of 3 semicircles and an equilateral triangle with sides of length 8. Each side of the triangle is a diameter of a semicircle.

Quantity A

The combined area of the 4 shaded regions

Quantity B

96


Two line segments of equal length bisect each other.

Quantity A

The number of circles that pass through at least three of the four endpoints

Quantity B

2




Square BDFG is inscribed in isosceles triangle ACE. If the area of triangular region ACE is 1, what is the area of triangular region BCD?


Square ABCD and parallelogram AEFD lie in the same plane, and AB=AE.

Quantity A

The area of region ABCD

Quantity B

The area of region AEFD




ABCD is a square, AEFG is a rectangle, and BE=DG.

Quantity A

The area of square ABCD

Quantity B

The area of rectangle AEFG


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