Algebra 2 questions:
1. which of the following statements is true? the 2 in (a) and (d) is supposed to be i squared.
(a) i2=-1
(b) √-5=i√5
(c) √-4=2i
(d) -7•i2=7
(e) all the above
(f) none of the above

2. which is true about the complex number a+bi?
(a) a and b are both real
(b) a is real and b is imaginary
(c) a is imaginary and b is real
(d) a and b are both imaginary
(e) all of the above
(f) none of the above