Write the power of i as i, -1, -i, or 1.i22
A. 1
B. i
C. -i
D. -1
Answer: D
Mathematics
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Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered pair. x + 7y = -23x + y = 34
A. (7, 12) B. (3, 7) C. (-2, 3) D. (12, -2)
Mathematics
What is the period of the graph of y= 3sin?x?
What will be an ideal response?
Mathematics
For the given graphical representation of vector v, estimate a1 and a2 so that 
and calculate 
.
A. a1 = 10, a2 = 8; 
= 12.8
B. a1 = 8, a2 = -10; 
= 12.8
C. a1 = 10 a2 = 8; 
= 164
D. a1 = -10, a2 = 8; 
= 12.8
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.Let z = -5 + 5i and w = 5 + 2i. Find 2z + w.
A. -5 + 12i B. -10 + 12i C. -15 + 20i D. -5 + 7i
Mathematics