6-14-21_SA_Review_Exam 3_A22

• 10
• -10
• 10i
• -10i

Simplify:
i⁷

• i
• -i
• 1
• -1

(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

(3i)(-2+4i)

• -6+12i
• -12-6i
• -2+7i
• 12+6i

Multiply: 
(4 – 3i)(-7 – 2i)

• A.  -23 + 13i
• B.  -23 - 29i
• C.  -34 + 13i
• D.  -34 - 29i

Simplify
(-6 - 2i)²

• 32
• 36-4i
• 36+24i
• 32+24i

• A.
• B.
• C.
• D.

i⁶⁶

• 1
• i
• -1
• -i

i⁵²

• i
• -i
• 1
• -1

What is the solution to this system of equations?

• (4, -1)
• (-1, 4)
• (-4, 1)
• (-4, -1)