Mathematics

Frisco

3 March, 01:01

Question 1 (multiple answer)

Which numbers are real numbers?

There is more than one correct answer. Select all correct answers.

-3

-3

-4

-4

-34

-34

Question 2 (multiple answer)

Which simplifications of the powers of i are correct?

There is more than one correct answer. Select all correct answers.

i7=i4⋅i3=-1⋅-i=i

i6=i4⋅i2=1⋅-1=-1

i6=i4⋅i2=-1⋅-1=1

i7=i4⋅i3=1⋅-i=-i

i8=i4⋅i4=-1⋅-1=1

i5=i3⋅i2=-i⋅-1=i

i5=i3⋅i2=i⋅-1=-i

i8=i4⋅i4=1⋅1=1

Question 3 (multiple answer)

Examine the complex number 3+2i.

A: What is the real part of the complex number?

B: What is the imaginary part of the complex number?

Select one answer for part A, and select one answer for part B.

A: i

B: 3

A: 3

A: 2i

B: i

B: 2i

B: 2

A: 2