Imaginary Numbers

Simplifying Radicals

100

sqrt{-98}

7isqrt{2}

200

2sqrt{-4}

4i

300

-3sqrt{-40

-6isqrt{10}

400

sqrt{-8}

2isqrt{2}

500

3sqrt{224}

12sqrt{14}

Add/Subtract Imaginary Numbers

100

sqrt{-4}-sqrt{-25}

-3i

200

sqrt{9}+sqrt{-162}+sqrt{16}

7+9isqrt{2}

300

sqrt{121}+sqrt{-49}+sqrt{64}-sqrt{-81}

19-2i

400

-sqrt{1}-sqrt{-20}-sqrt{36}-sqrt{-5}

-7-3isqrt{5}

500

sqrt{100}+sqrt{80}-sqrt{25}+sqrt{20}

5+6sqrt5

Multiply Imaginary Numbers

100

(sqrt81)(sqrt{-9})

27i

200

(6sqrt{16})(sqrt{-49})

168i

300

(4sqrt{-10})(6sqrt{-30})

-240sqrt3

400

(5sqrt{-75})(sqrt{-48})

-300

500

(-7sqrt{300})(2sqrt{-243})

-3780

Easy stuff

100

sqrt{18}

3sqrt2

200

-5sqrt128

-40sqrt2

300

2i * 9i 

-18

400

-6i*4i

24

500

7sqrt{-16} * -2sqrt{-9}

168

Random questions

100

What is the square root of -1?

i or 1i

200

What is 17x11

187

300

What is a good word to describe Ms. Smith?

Crazy

400

What happens in math when you are repeatedly late to class?

Detention

500

This school is celebrating being open ____ years this year!

50