Simplify the complex number and write it in standard form.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?8i
Answer: C
Mathematics
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Find the vertices of the hyperbola.16x2 - 25y2 + 128x - 150y - 369 = 0
A. (-4, 1) and (-4, -7) B. (-9, -3) and (1, -3) C. (4, 7) and (4, -1) D. (-1, 3) and (9, 3)
Mathematics
Simplify. Assume that no denominator is zero.(7m-3n3)(-2m-5n4)
A. 
B. -14n7m-8
C. -14m8n7
D. 
Mathematics
Establish the identity.sec2 
= 
What will be an ideal response?
Mathematics
Let A = 
. Find (I - A) -1.
What will be an ideal response?
Mathematics