Math 3 Flashcards
1
Q
simplify the square root of -24
A
2i square root of 6
2
Q
simplify square root of -5 multiplied by the square root of -5
A
-5
3
Q
simplify and write in a+bi form (-7+6i)-(-8+4i)
A
1+2i
4
Q
(3+4i)+(6-4i)
A
9
5
Q
-2-3i over 8+8i
A
-5 over 16 + 1i over 16
6
Q
10 over -2+2i
A
-20 over 8 - 20i over 8
7
Q
what is a complex number
A
the number as the form of a+bi
8
Q
what does i stand for
A
the square root of -1
9
Q
what is i to the power of 2
A
= square root of -1
10
Q
(3-2i)(-6+8i)
A
-2-36i
11
Q
(4+i) to the power of 2
A
15+8i
12
Q
1 over 8i
A
1i over -8
13
Q
8 over -10i
A
-4i over 5
