Roots and Irrational Numbers Unit Test
Question 1: What is the square root of 25?
A) 5
B) 10
C) 15
D) 20
Answer: A) 5
Question 2: Which of the following numbers is irrational?
A) 0.5
B) 1/3
C) √2
D) 10
Answer: C) √2
Question 3: What is the cube root of 27?
A) 3
B) 9
C) 12
D) 18
Answer: A) 3
Question 4: Is the square root of 50 a rational or irrational number?
A) Rational
B) Irrational
Answer: B) Irrational
Question 5: True or False: The square root of a negative number is always imaginary.
Answer: False
Question 6: What is the square root of 81?
A) 9
B) 10
C) 12
D) 15
Answer: A) 9
Question 7: Which of the following numbers is a perfect square?
A) 10
B) 27
C) 64
D) 93
Answer: C) 64
Question 8: What is the value of √(16/9)?
A) 2/3
B) 4/3
C) 4/9
D) 9/4
Answer: A) 2/3
Question 9: What is the decimal equivalent of the square root of 36?
A) 4
B) 6
C) 8
D) 9
Answer: A) 6
Question 10: Which of the following numbers is not a rational number?
A) 0.01
B) 1/4
C) √3
D) 2
Answer: C) √3