Square Root 3 - Valencia College

Square Root 3
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Classify the number as rational or irrational.
1)
1) _______
A) Rational
B) Irrational
2)
2) _______
A) Rational
B) Irrational
Evaluate the square root, if possible.
3)
A) Not a real number
C) 8
3) _______
B) 32
D) 9
4)
4) _______
A)
B)
-
C) 0
D)
-
Find all square roots of the number.
5) 400
A) ±20
B) ±40
6) 49
A) ±9
-
5) _______
C) ±22
D) ±21
6) _______
B) ±7
C) ±8
D) ±14
Simplify. Assume that variables represent positive numbers.
7)
A)
B) not defined
7) _______
C)
D)
8)
8) _______
A) 0. 13
y
B) 0. 72
C) 0. 12
y
Use a calculator or table to approximate the number. Round to three decimal places.
9)
A) 68
B) 11.333
C) 5.831
D) 0. 12
y
9) _______
D) 34.012
10) -
10) ______
A) -78
B) -13.000
Classify the number as rational or irrational.
11)
A) Rational
C) -6.245
D) -39.012
11) ______
B) Irrational
12) -
12) ______
A) Rational
B) Irrational
Answer Key
1) B
2) B
3) A
4) A
5) A
6) B
7) C
8) C
9) C
10) C
11) A
12) A