Write the equation in terms of a rotated x'y'-system using ?, the angle of rotation. Write the equation involving x' and y' in standard form.xy +16 = 0; ? = 45°

A.  +  = 1
B.  +  = 1
C. y'2 = -32x'
D.  -  = 1

Answer: D

Mathematics

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Find the function with the given derivative whose graph passes through the point P.f'(x) = x - 9, P(5, -18)

A. f(x) = x2 - 9x
B. f(x) = x2 - 9x + 2
C. f(x) =  - 9x + 
D. f(x) =  - 9x + 

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Mathematics

Simplify. Do not use negative exponents in your answer.y-7? y-5

A.
B.
C.
D. y12

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Mathematics

Answer the question.What value of n will make xn a perfect cube?

A. n must be a multiple of 3. B. n must be a multiple of 2. C. It is not possible for any n. D. n must be a multiple of 5.

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Mathematics

Add.-8 + 4

A. 4 B. 12 C. -4 D. -12

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Mathematics