Simplify Radicals
Adding and Subtracting Complex Numbers
MultiplyingComplex Numbers
Is that i?
This is square
100

What is √-36 when simplified?

What  is 6i

100

Find the sum of: (3 +4i)+(5+5i)

What is 8 + 9i

100

Find  the product of:(3 +4i)(5+5i)

 What is -5 + 35i

100

What is i2+ i8?

0

100

Solve the equation for the variable:   2x2 = 32

What is 4 and -4.

200

What is √-200 when simplified?

What is 10i√2

200

 Find the sum of: (2 -3i)+(6+7i)

What is 8 + 4i

200

Find the product of: (1 -3i)(2+4i)

What is 14-2i

200

What is i18?

-1

200

Solve the equation for the variable:   -6 + y2 = 10

What is 4 and -4.

300

What is √-75 when simplified?

What is 5i√3

300

Find the sum of: (-6 -i)+(2-3i)

What is -4 - 4i

300

Find the product (2 +2i)(4+i)

6+10i

300

What is i100?

1

300

Solve the equation for the variable:   -3w2 = 120


+- 2i sqrt10

400

What is √-72 when simplified?

What is 6i√2

400

Find the difference of: (6 +7i)-(3+5i)

What is 3+2i

400

Find the product of: (2 +3i)(2-3i)

13

400

What is i5 +i9?

2i
400

Solve the equation for the variable:   -100 = -6u2

What is 4.08 and -4.08. or

+- (10sqrt6)/6 or +- (5sqrt6)/3 

500

What is √-12 when simplified?

What 2i√3

500

Find the difference of: (8 +i)-(-2-2i)

What is 10+3i

500

Solve (2-7i)2

What is -45-28i

500

What is (2i)3

-8i

500

Solve the equation for the variable:   -3x+ 4 = -20

What is 2.83 and -2.83 or

+-2sqrt2