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 the name of the highest Mountain in the world?

Mt. Everest

400

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

1, 2 and 3

500

If you have 3 quarters, 2 dimes, and 1 nickel, how much money do you have in total?

95 cents