Algebra 2--Imaginary/Complex Numbers

Simplifying i's

100

i³

What is -i

200

i⁴

What is 1

300

i¹⁵

What is -i

400

i⁶¹

What is i

Simplifying Radicals

100

√(-36)

What is 6i

200

√(-200)

10i√(2) 

300

Simplify √(-75)

What is 5i√(3) 

400

Simplify √(-72) 

What is 6i√(2) 

Add/Subtract Complex Numbers

100

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

What is 6+10i

200

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

What is 9 + 4i

300

(6+5i)- (3+2i)

What is 3+3i

400

(2-7i) - (1-4i)

What is 1-3i

Multiplying

100

(3+2i)(5-i)

What is 17+7i

200

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

What is 40

300

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

What is -13+26i

400

(7+i)(7-i)

What is 48

Conjugate

100

What is the complex conjugate of 5+2i?

What is 5-2i

200

What is the complex conjugate of -5-2i?

What is -5+2i

300

What is the sum of 5+2i and its complex conjugate?

10

400

What is the difference of 6+2i and its conjugate? 

4i