Find all numbers u (if any) so that the given point (u, y) or (x, u) is on the unit circle.
A. ± 
B. None
C. ± 
D. ± 
Answer: C
Mathematics
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Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.2 + 7 + 12 + ... + (5n - 3) = 
(5n - 1)
What will be an ideal response?
Mathematics
Write the expression in the standard form a + bi.(-
+ i)6
A. 64 - 64
i
B. -64
C. -64
+ 64i
D. 64i
Mathematics
Is the ordered pair a solution of the linear system?
; (2, -3)
A. Yes B. No
Mathematics
Use a graphing utility to find the inverse, if it exists, of the matrix. Round answers to two decimal places.
A. 
B. 
C. 
D. 
Mathematics