Complex Numbers and Radicals

• x = -6
• x = 3
• x = -3
• x = 5±

Solve.

• no solution

• 6

• 3

• 4

Write the following expression in radical form:

• a.)

• b.)

• c.)

• d.)

Answer explanation

Remember, power over root!

Solve
3x² - 5 = -446

• ±√-147

• 7i√3

• ±7i√3

• -7√3

(6+5i) +( 5+7i)

• 11+12i

• 11-12i

• -11-12i

• -11+12i

(7 + 4i) + (4 - 8i)

• 11 - 4i

• 11 + 4i

• -11 - 4i

• -11 + 4i

(8 + 3i) - (3 - 9i)

• 5 + 12i

• 5 - 12i

• -5 + 12i

• -5 - 12i

(9 - 2i) - (2 - 3i)

• 7 + i

• 7 - i

• -7 - i

• -7 + i

(2 + 9i) (9 + 2i)

• 85i

• 36i

• 324i

• -85i

(3 + 8i) (8 - 4i)

• 56 + 52i

• -56 + 52i

• 56 - 52i

• -56 - 52i