Write the product in standard form.(7 - 3i)(7 + 6i)

A. 67 - 21i
B. -18i2 + 21i + 49
C. 31 - 63i
D. 67 + 21i


Answer: D

Mathematics

You might also like to view...

Determine either absolute convergence, conditional convergence or divergence for the series.

A. Converges absolutely B. Converges conditionally C. Diverges

Mathematics

Compare the integers. Insert < or > to make the statement true.3  8

A. > B. <

Mathematics

Factor out the greatest common factor, or a negative common factor if the coefficient of the term of greatest degree is negative.-t11 - 18t5

A. -t5(t6 + 18) B. t(t10 - 18t4) C. -t5(t6 - 18) D. t6(t5 - 18)

Mathematics

Solve the problem.Suppose that the function y = f(x) is increasing on the interval (2, 6). Over what interval is the graph of  increasing?

A. (-2, 2) B. (8, 24) C. (2, 6) D. (6, 10)

Mathematics