Adding Subtracting Imaginary and Complex Numbers

divide 120 by 2

replace the negative with an i on the outside of the radical

take the square root of -120

graph y = √-120

Changing the sign of both a and b

Changing the sign of a

Changing the sign of b

Switching the a and b values

add all the numbers together then divide by 2

add only the real numbers and subtract the complex numbers

add only the complex numbers and subtract the real numbers

add only the real numbers together and then add only the complex numbers together then stop

3 + 4i

3 - 4i

4 - 3i

4 + 3i

x = {-4, -1}

x = {-1, -4}

x = {2+i, 2-i}

x = {-2+i, -2-i}

8 + 104i

10 + 4i

14 - 4i

10 - 12i

Z1 + Z2

Z1 - Z2

Z2 - Z1

Z1 * Z2

7 units to the right, 1 unit up

7 units to the left, 1 unit down

7 units to the right, 1 unit down

7 units to the left, 1 unit up

-1i

9i

20i

1i

18+10i

13+15i

15+13i

10+18i