Classify each number as RATIONAL (Q) or IRRATIONAL (I)
Problem 1 :
√47
Problem 2 :
11/9
Problem 3 :
19/4
Problem 4 :
√96
Problem 5 :
19/14
Problem 6 :
15/4
Problem 7 :
√84
Problem 8 :
-9
Problem 9 :
√72
Problem 10 :
0
Problem 11 :
8/9
Problem 12 :
3
1) irrational number 2) rational number 3) rational number 4) irrational 5) rational number 6) rational number |
7) irrational number 8) rational number 9) irrational number 10) rational number 11) rational number 12) rational number |
Problem 1 :
Which irrational numbers is between 4 and 5.
a. √12 b.√20 c. √34 d. √80
Problem 2 :
Which number is an integer ?
a. -11/5 b.-7 c. √15 d. 1/2
Problem 3 :
Which number is irrational ?
a. 9.2727.... b.√2 c. 5√9 d. -37/71
Problem 4 :
Which of the following is a rational number but is NOT an integer?
a. 8 b. 24 c. 40/4 d. 6.2
Problem 5 :
Barbara was asked to create a set of numbers that contained only integers. Which of the sets does NOT contain only integers?
a. {11, 6, -3, -4, 600, 24/12}
b. {9, 100, -4, 12, -6, 20/5}
c. {5, 3, -8, -14, 3.5, 24/12}
d. {22, -12.0, 9, -14, 28, 4}
Problem 6 :
Rational numbers are a dense set. This means that between any two rational numbers on a number line there is another rational number. Which rational number is between 2.46 and 2.47 on a number line?
a. 2.48 b. G 2.4 c. 2.53 d. 2.468
Problem 7 :
Which statement is NOT true about rational numbers?
a. The sum of two rational numbers is also a rational number.
b. 0 is not a rational number.
c. The product of two rational numbers is also a rational number.
d. The opposite of a rational number is also a rational number.
Problem 8 :
i) √40 has an infinite non repeating decimal expansion.
ii) The number 0.5656...... is a rational number.
iii) -200 and 500 are integers
iv) All numbers with infinite decimal expansions are irrational.
v) The numbers -8, -3, 5, 17 are all whole numbers.
Problem 9 :
Which number is irrational
a. 9.2727..... b.√2 c. 5√9 d.-37/71
Problem 10 :
Any number with a finite decimal expansion must be
a. rational b. irrational
Problem 11 :
All integers are
a. Whole b. rational c. irrational
1) b.√20 2) -7 3) x = 102/11 4) 6.2 5) c 6) 2.468 7) irrational number. |
8) i) True ii) True iii) True iv) False v) True 9) Irrational 10) Rational 11) Rational |
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM