Find all complex number solutions.x2 = -252
A. -6i
B. 6
C. -6
D. ± 6i
Answer: D
Mathematics
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Perform all operations in correct order.20 + 13 × 25
A. 825 B. 345 C. 285 D. 58
Mathematics
Determine whether or not the triangles are similar.
A. Not similar B. Similar
Mathematics
Match the graph to one of the listed functions. 
A. f(x) = -x2 - 6 B. f(x) = -x2 - 6x C. f(x) = x2 - 6x D. f(x) = x2 - 6
Mathematics
Simplify.i13
A. -1 B. 1 C. -i D. i
Mathematics