What is the conjugate of #6i#? Precalculus Complex Numbers in Trigonometric Form Division of Complex Numbers 1 Answer FARES C. · Stefan V. Apr 16, 2018 #-6i# Explanation: If #z=0x+yi# then the conjugate of #z# is #-yi#. In this case, #z=6i# so the conjugate of #z# is #-6i#. Answer link Related questions How do I graphically divide complex numbers? How do I divide complex numbers in standard form? How do I find the quotient of two complex numbers in polar form? How do I find the quotient #(-5+i)/(-7+i)#? How do I find the quotient of two complex numbers in standard form? What is the complex conjugate of a complex number? How do I find the complex conjugate of #12/(5i)#? How do I rationalize the denominator of a complex quotient? How do I divide #6(cos^circ 60+i\ sin60^circ)# by #3(cos^circ 90+i\ sin90^circ)#? How do you write #(-2i) / (4-2i)# in the "a+bi" form? See all questions in Division of Complex Numbers Impact of this question 6220 views around the world You can reuse this answer Creative Commons License