Show:
Solve by taking the square root
Simplifying Radicals
Add/Subtract Complex Numbers
Multiplying
Random!
100

Solve: (x-4)2 = -49

What is x= 4 +- 7i

100

√(-81)

9i

100

(2 + 3i) + (4 + 7i)

 6+10i

100

3i(2i2 - 5i)

15 - 6i

100

What is this called: √

A Radical 

200

Solve: (x+4)2 = -4

What is x=-4 +- 2i

200

√(-100)

10i

200

(5 + 6i) + (4 - 2i)

What is 9 + 4i

200

(6 + 2i)(6 - 2i)

 40

200

Why do we need imaginary numbers?

To find the square root of negative numbers

300

Solve: (x+13)2 = -100

What is x= -13 +- 10i
300

√(-16)

4i

300

6 + 5i - 3 - 2i

What is 3+3i

300

(2 + 3i)(4 + 7i)

 -13+26i

300

Simplify the following: √(-81

9i

400

Solve: (x-15)2 = -144

What is x= 15 +- 12i
400

√(-36)

6i

400

2 - 7i - 1 + 4i

What is 1-3i

400

(7 + i)(7 - i)

 50

400

√(36) + √(-36)

6 + 6i

500

 Solve: (x+ 20)2 = -200

What is x= -20 +- 20i
500

√(-4) + √(-9)

5i

500

9 + 2i - (6 + 4i)

3 - 2i

500

3i(-8i + 5) + 2(5 - i)

34 + 13i

500

the square root of -1

i