Quiz  /  Jenkins Class 10 MCQ Questions With Answers

  • 1. 
    Find the product (1+3i)(2-i)

  • 5+5i
  • 5-5i
  • 2-3i
  • 5+7i

  • 2. 
    (-7+6i)2

  • 49+36i
  • 85
  • 13-84i
  • 13+84i

  • 3. 
    (-3-i)(6-i)

  • -21-7i
  • -19-3i
  • -15-5i
  • -17-9i

  • 4. 
    (6+i)(-3+6i)

  • 3+7i
  • -18+6i
  • -24+6i
  • -18+12i

  • 5. 
    How do you write a complex number?

  • a-bi
  • a+bi
  • ai+b
  • ai-b

  • 6. 
    Simplify3i - (4 + 7i)

  • -4 + 10i
  • 21 - 12i
  • 4 - 10i
  • -4 - 4i

  • 7. 
    √-81

  • 9i
  • -9i
  • -9
  • 9

  • 8. 
    (2i)(3i)

  • 5i
  • -5
  • 6i
  • -6

  • 9. 
    (5-2i) + (-7+8i)

  • -2+6i
  • 12+6i
  • -35-16i2
  • -35 -16i

  • 10. 
    What does i2 = ?

  • -1
  • √-1
  • 1
  • -√1

  • 11. 
    Simplify: (10+ 15i) - (48 - 30i)

  • 58 - 45i
  • 58 - 15i
  • -38 - 15i
  • -38 + 45i
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