Factor the polynomial completely.x4 - 8x2y2 + 16y4
A. (x + 2y)4
B. (x2 - 2y2)2
C. (x - 2y)4
D. (x + 2y)2(x - 2y)2
Answer: D
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Solve the problem.The weight of a person on or above the surface of the earth varies inversely as the square of the distance the person is from the center of the earth. If a person weighs 180 pounds on the surface of the earth and the radius of the earth is 3900 miles, what will the person weigh if he or she is 450 miles above the earth's surface? Round your answer to the nearest tenth of a pound.
A. 145.08 lb B. 144.18 lb C. 144.68 lb D. 146.08 lb
Solve the problem.The accompanying figure shows the graph of y = x2 shifted to a new position. Write the equation for the new graph.
A. y = (x - 5)2 B. y = x2 - 5 C. y = (x + 5)2 D. y = x2 + 5
A pre-determined walk-away price prevents
A. true negotiations from taking place. B. effective implementation of due diligence. C. an eat-or-be-eaten mentality. D. emotional decision making.
Write a fourth-degree polynomial equation with real coefficients and the roots i, 5 - i. ?
A. 
B. 
C. 
D. 
E. none of these