For the given Cartesian equation, write an equivalent polar equation.xy = 1
A. 2r2 sin ? cos ? = 1
B. r sin 2? = 2
C. 2r sin ? cos ? = 1
D. r2 sin 2? = 2
Answer: D
Mathematics
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, 
A. 
B. 
C. 
D. 
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Use an associative property to complete the statement. Do not simplify.3 + (6 + x) = 
A. 6(3 + x) B. (3 + 6)x C. (3 + 6) + x D. 3(6 + x)
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Answer the question.In the equation 4x + y = 18, the value of x is 2. What is the corresponding value of y?
A. y = 22 B. y = 5 C. y = 10 D. y = 26
Mathematics
Solve the equation by the square root property.(x + 1)2 = - 3
A. {2, 4}
B. {-1 ± 
}
C. {-1 - 
}
D. {-1 ± i
}
Mathematics