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  • Complex Numbers
  • Tests in Complex Numbers
  • Adding and subtracting complex numbers

Adding and subtracting complex numbers

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  • Question 1:
    1 pts
    		Add: (2+3i)+(3−4i)(2 + 3i) + (3-4i)

    5+7i5+7i

    5−7i5-7i

    5+i5+i

    5−i5-i

  • Question 2:
    1 pts
    		Add: (−5−11i)+(4−6i)(-5-11i) + (4-6i)

    1−5i1-5i

    1−17i1-17i

    −1−17i-1-17i

    −1−5i-1-5i

  • Question 3:
    1 pts
    		Subtract: (5−3i)−(3−2i)(5-3i) - (3-2i)

    2−i2-i

    2+i2+i

    2−5i2-5i

    2+5i2+5i

  • Question 4:
    1 pts
    		Subtract: (−1−i)−(3−5i)(-1-i) - (3-5i)

    4−4i4-4i

    −4+4i-4+4i

    −2+4i-2+4i

    2−4i2-4i

  • Question 5:
    2 pts
    		Simplify expression 2(1−i)−3(3−5i)2(1-i) - 3(3-5i)

    −11+17i-11+17i

    −7−13i-7-13i

    −7+13i-7+13i

    11−17i11-17i

  • Question 6:
    2 pts
    		Simplify expression −3(5−2i)−4(2−i)-3(5-2i) - 4(2-i)

    −23+10i-23+10i

    −23−10i-23-10i

    17+10i17+10i

    17−10i17-10i

  • Question 7:
    2 pts
    		Which point represents the sum of complex numbers z1z1 and z2z2.
    A
    B
    C
    D
  • Question 8:
    2 pts
    		Which point represents the sum of complex numbers z1z1 and z2z2.
    A
    B
    C
    D
  • Question 9:
    2 pts
    		Which point represents the difference of complex numbers z1z1 and z2z2.
    A
    B
    C
    D
  • Question 10:
    2 pts
    		Which point represents the difference of complex numbers z1z1 and z2z2.
    A
    B
    C
    D

Complex numbers

Sequences and series