91Ó°ÊÓ

Problem 6

\(\sqrt{-100}\)

Problem 9

\(\sqrt{3^{2}-4(2)(-8)}\)

Problem 11

\(\sqrt{6^{2}-4(2)(9)}\)

Problem 13

Explain why the square root of a negative number cannot be a real number.

Problem 17

\(x^{2}-9 x-11=0\)

Problem 19

\((5-3 i)+(8-7 i)\)

Problem 20

\(-\frac{1}{2} x^{2}=-18\)

Problem 25

\(k^{2}+8 k+12=0\)

Problem 36

\(p^{2}-p-72=0\)

Problem 36

\(y=x^{2}-8 x+10\)