Convert the given polar coordinates of the point to rectangular coordinates.(4, 225°)
A. (-2
, -2
)
B. (2
, 2
)
C. (-2?, -2?)
D. (-2
, -2
)
Answer: A
Mathematics
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Refer to the figures and recursive rules below to answer the following question(s).
Which of the figures above approximates the result of recursively applying Rule B infinitely many times?
A. Figure 4 B. Figure 3 C. Figure 2 D. Figure 1 E. none of these
Mathematics
Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find tan ?.
A. 
B. 
C. 
D. 
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Use graphs to find the set.(-?, 9) ? [-2, 12)
A. (-?, 12) B. [-2, 9) C. (9, 12) D. (-?, -2]
Mathematics
Graph the linear inequality.-2x - 5y ? -10
A. 
B. 
C. 
D. 
Mathematics