Solve the system by the addition method.y = x2 + 4y = -x2 + 10
A. {(
, 7), (-
, 7)}
B. {(7, 
), (7, -
)}
C. {(
, 7), (
, -7)}
D. {(
, 7), (
, -7), (-
, 7), (-
, -7)}
Answer: A
Mathematics
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Solve the problem.Suppose that the velocity of a falling body is v = ks2 (k a constant) at the instant the body has fallen s meters from its starting point. Find the body's acceleration as a function of s.
A. a = 2k2s3 B. a = 2ks2 C. a = 2ks3 D. a = 2ks
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Complete the sentence so the result is an identity. Let x be any real number. = 
A. csc x B. sec x C. tan x D. cot x
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Identify the intercepts.
A. (2, 0), (0, 8) B. (-2, 0), (0, -8) C. (-2, -2), (8, 8) D. (-2, 0), (0, 8)
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Find the right part of the identity.
?
__________
?
A. cos ? B. sec ? C. sin ? D. cot ? E. csc ?
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