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
