How do you simplify #sqrt(-25/49)#? Precalculus Complex Numbers in Trigonometric Form Complex Number Plane 1 Answer Douglas K. Sep 29, 2016 #(5i)/7# Explanation: Remove the factor #sqrt(-1)#: #sqrt(25/49)sqrt(-1) # We simplify and write #sqrt(-1)# as the imaginary basis vector i: #(5i)/7# Answer link Related questions What is the complex number plane? Which vectors define the complex number plane? What is the modulus of a complex number? How do I graph the complex number #3+4i# in the complex plane? How do I graph the complex number #2-3i# in the complex plane? How do I graph the complex number #-4+2i# in the complex plane? How do I graph the number 3 in the complex number plane? How do I graph the number #4i# in the complex number plane? How do I use graphing in the complex plane to add #2+4i# and #5+3i#? How do I use graphing in the complex plane to subtract #3+4i# from #-2+2i#? See all questions in Complex Number Plane Impact of this question 1275 views around the world You can reuse this answer Creative Commons License