Convert the given polar coordinates of the point to rectangular coordinates.(10, 225°)
A. (-5
, -5)
B. (5, 5
)
C. (-5
, -5
)
D. (5
, 5)
Answer: C
Mathematics
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A. 120 B. 12 C. 1200 D. 1.2
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Use the change-of-base formula and a calculator to evaluate each logarithm.log5 47.19
A. 0.4176 B. 1.6738 C. 9.4380 D. 2.3947
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Find all solutions of the equation. Express the solution in radians.sec x = 
A. 
+ 2n? or 
+ 2n?
B. 
+ 2n? or 
+ 2n?
C. 2n? or ? + 2n?
D. 
+ 2n? or 
+ 2n?
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Fill in the missing numbers in the next step of the Gauss-Jordan elimination method.
? 
A. 
B. 
C. 
D. 
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