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The graph of y2 = x is shown in the standard (x,y) coordinate plane below for values of x such that 0 ≤ x ≤ 4. The x-coordinates of points D and E are both 4. What is the area of ΔDEO, in square coordinate units?

(A)

(B) 4

(C) 8

(D) 12

(E) 16

The Correct Answer

If , with a > 0, b> 0, and c> 0, what is the value of ain terms of band c?

(A) (B) (C) (D) (E)

Correct Answer: B

In the figure below, S and T are points on RU. What is the ratio of the area of square STVX to the area of parallelogram RUVY?

(A)3:8 (B) 1:11 (C) 3:11 (D) 9:11 (E) 3:24

Correct Answer: C

For the imaginary number i, which of the following is a possible value of in if n is an integer less than 5?

(A) 0 (B) -1 (C) -2 (D) -3 (E) -4

Correct Answer: B

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