Quiz on Complex Numbers The quiz is designed for the various curriculum students such as GCSE, IGCSE, ISC, IB, ICSE, CBSE, National Curriculum England and more. Start the quiz and learn math with fun! Quiz Level: Grade 11 & 12Total Questions: 10 1 / 10 What is the value of complex number i-39? 1 -1 i -i 2 / 10 What is the value of complex number i19? i -i 1 -1 3 / 10 Multiply and find the value of '(-4i)(-3i)'? -12 -12i 12i 12 4 / 10 Multiply and express '(5+i)(4+i)' in the form of 'a + ib'. 19 - 9i 9 + 19i 19 + 9i 9 - 19i 5 / 10 Multiply and express '(4-3i)(3-i)' in the form of 'a + ib'. 9 + 13i 12 + 3i 12 - 3i 9 − 13i 6 / 10 Multiply and find the value of '(5i)(-3i)'? -15i 15i -15 15 7 / 10 What is the standard form of complex numbers? ia + ib a - b a + ib a + b 8 / 10 What is the value of complex number i9? -1 -i 1 i 9 / 10 Multiply and express '(3+2i)(4-3i)' in the form of 'a + ib'. 18 + i 18 - i 12 + 6i 12 - 6i 10 / 10 What is the value of complex number 'i²'? 1 -1 0 i Please enter your name below. Name Your score is LinkedIn Facebook VKontakte 0% Restart quiz Exit Send feedback ← Math Quiz index Limits →