Find the modulus and the argument for the complex number. z = -i

What will be an ideal response?


Mathematics

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Determine the system of inequalities illustrated in the graph. Write inequalities in standard form.

A. x - y < 3 x + y > 6 B. x - y < 3 x + y < 6 C. x - y > 3 x + y > 6 D. x - y > 3 x + y < 6

Mathematics

Perform the matrix multiplication. Find AB for A =  and B = .

A.  
B.  
C.  
D.  

Mathematics

Use the product-to-sum or sum-to-product identities to find an identity for the given expression.3 cos 11? sin 20?

A. (-sin 31? - sin 9?)
B. (sin 31? - sin 9?)
C. cos 31? + cos 9?
D. (sin 31? + sin 9?)

Mathematics

Find the first term and the common ratio of the geometric sequence.3, , . . .

A. a1 = 3, r = 4 
B. a1 = 3, r = 
C. a1 = , r = 
D. a1 = , r = 10 

Mathematics