Real Numbers

Simplifying radicals numbers

100

Simplify √45

3√5

200

Simplify √75

5√3

300

Simplify 2√12

4√3

400

Simplify √162 

9√2

500

Simplify -7√96

-28√6

Perfect squares

100

Simplify √25

5

200

Simplify √36

6

300

Simplify √49

7

400

Simplify √225

15

500

Simplify √196

14

Real Number System

100

Which one of the following is an irrational number?

a.√64                    c.√30 

b. √16                  d. √25 

c. √30

200

Which of the following is not a whole number?

a. 0                 b) 5

c) 14              d) -3

d) -3

300

Which of the following is NOT an integer?

a) -12/3               b) -3/4

c) -10                 d) - 5.0

b = -3/4

400

Which of the following is NOT a natural number?

a) 0                b) 1

c) 2                d) 3

a) 0

500

Which of the following is NOT part of the real number system?

a) pi                  b) 5i

c) √2                 d) 5.478912478924789....

b) 5i, it's a complex number.