Test #6 Flashcards
1
Q
When Adding/Subtracting Things Like…
A
(7-3i)+(-4-2i) MAKE SURE YOU’RE ADDING NOT MULTIPLYING (#45 Chapter 7.7)
2
Q
This 25+5i/13 is written as
A
25/13 + 5/13 i (#69 Chapter 7.7)
3
Q
i^1
A
i
4
Q
i^2
A
-1
5
Q
i^3
A
-i
6
Q
i^4
A
1
7
Q
i^5
A
i
8
Q
Simplify: 5i^3 + 2i^2
A
Plug in the i values (i, -i, 1, -1, etc.)
9
Q
Simplify: i^202
A
Divide 202 by 4, and the remainder is the 2, so: i^2
10
Q
-b/2a
A
To find the x vertex.
11
Q
|12+5i|
A
SQUARE ROOT: 12^2 + 5^2
sqrt a^2 + b^2
