Determine if the given polar coordinates represent the same point.(r, ?), (-r, ? + ?)
A. Yes
B. No
Answer: A
Mathematics
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Use DeMorgan's laws or a truth table to determine whether the two statements are equivalent.~(p ? q) , ~p ? ~q
A. Not equivalent B. Equivalent
Mathematics
Find the unit vector having the same direction as v.v = -3i + j
A. u = - 
i - 
j
B. u = - 
i + 
j
C. u = -3
i + 
j
D. u = - 
i + 
j
Mathematics
Find the requested value.
{x2 - 5x + 1, if x ? 2x, if x > 2
A. -5 B. 13 C. 2 D. -7
Mathematics
The graphs of two equations are shown. Use the intersection-of-graphs method to identify the solution to both equations.Line A: -x + 2y = 11 Line B: x + y = 1
A. (-2, 4) B. (4, -3) C. (4, -2) D. (-3, 4)
Mathematics