P.7 Complex Numbers SYMKC

Question 1

Answer 1

imaginary number

Question 2

the set of all numbers of the form

Answer 2

complex number (C)

Question 3

What is the standard form of a complex number?

Answer 3

Question 4

1, 2, 3, 4, 5, …..

Answer 4

Natural numbers (counting numbers) abbreviated with the letter N

Question 5

0, 1, 2, 3, 4, 5, …..

Answer 5

Whole numbers abbreviated with the letter W

Question 6

Fractions, decimals that repeat, roots that simplify completely, decimals that terminate (end), and any natural, whole, or integer number

Answer 6

Rational abbreviated with the letter Q

Question 7

…-3, -2, -1, 0, 1, 2, 3, …

Answer 7

Integers abbreviated with the letter Z

Question 8

Roots that do not simplify, decimals that never end and do not repeat, and special numbers like “pi” and “e”

Answer 8

Irrational numbers abbreviated with the letter (I) or (P)

Question 9

Numbers that are Natural, whole, integers, rational, and irrational

Answer 9

Real numbers abbreviated with the letter (R)

Question 10

Numbers that have the imaginary unit

Answer 10

imaginary numbers

Question 11

numbers that have the imaginary unit but with out the real part

Answer 11

pure imaginary number

Question 12

Answer 12

Question 13

Answer 13

-1

Question 14

Answer 14

Question 15

Answer 15

1

Question 16

Answer 16

Question 17

Answer 17

-1

Question 18

Answer 18

Question 19

Answer 19

1

Question 20

Conjugate of

Answer 20

Question 21

Conjugate of

Answer 21

Question 22

Answer 22

Question 23

For a fraction to be considered completely simplified, we must remember to

Answer 23

Remove all roots out of the denominator.
Remove all imaginary numbers out of the denominator.
All common factors from the numerator and denominator have been cancelled.

Question 24

If you perform operations with roots of negative numbers, what must you remember to do first?

Answer 24

Take the negative out of the root and make it “i” (if an even root), then do the addition, subtraction, multiplication or division. Never to arithmetic operations before simplifying the “i”. It leads to contradictory results.