Solving by Square root method with real and imaginary solutions

3x² = 12

• ± 2
• 2
• ± √12
• ± 4

x² + 4 = 68

• ± 8
• ± √8
• 8
• ± 64

16a² - 9 = 0

• a = ^-3/₄, ³/₄

• a = ^-4/₃, ⁴/₃

• a = ^-9/₁₆, ⁹/₁₆

• a = ^-16/₉, ¹⁶/₉

• A
• B
• C
• D

• 7

• -7

• 7i

• -7i

• 2i√6

• 8i√3

• -2√6

• -2i√6

• 6i√5

• -8√5

• 8i√5

• -8i√5

• i

• -1

• 1

• -i

• 
• 
• 
• 

x² + 36 = 0

• x = ±6

• x = 6i

• x = -6

• x = ±6i