Rewrite the equation in a rotated x'y'-system without an x'y' term. Express the equation involving x' and y' in the standard form of a conic section.24xy - 7y2 + 36 = 0
A. 
+ 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: D
Mathematics
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Find the zeros of f(x), given that one zero is k.f(x) = x3 - 8x2 + x - 8
k = 8
A. ±1, 8 B. ±8, i C. 8, ±i D. -8, ±i
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Graph the circle.x2 + y2 - 6x - 6y + 14 = 0
A. 
B. 
C. 
D. 
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Graph the function. Find the vertex.f(x) = 4x2
A. vertex: (0, 0)
B. vertex: (0, 0)
C. vertex: (0, 4)
D. vertex: (0, 0)
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Solve the quadratic equation in the complex number system by completing the square.x2 + 6x + 25 = 0
A. {1, -7} B. {-3 - 16i, -3 + 16i} C. {-3 + 4i} D. {-3 + 4i, -3 - 4i}
Mathematics