For the point given in polar coordinates, state the quadrant in which the point lies if it is graphed in a rectangular coordinate system.(7
, 45°)
A. I
B. II
C. III
D. IV
Answer: A
Mathematics
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Find the derivative of the function at the point p in the direction of a.
p = 
a = 
i - 
j - 
k
A. - 
B. - 
C. - 
D. - 
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Express the symbolic statement ~p in words.p: Some athletes are musicians.
A. Not all athletes are musicians. B. No athlete is a musician. C. Some athletes are not musicians. D. All athletes are musicians.
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Factor the polynomial by substitution.6y4 + 5y2 - 6
A. (3y2 - 2)(2y2 + 3) B. (2y - 3)(3y + 2) C. (6y2 - 2)(y2 + 3) D. (3y2 + 1)(2y2 - 6)
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Convert the rectangular equation to polar form.x2 + 4y2 = 4
A. r = 
B. r = 
C. r2 = 
D. r2 = 
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