23 practice sets · Page 1 of 2
Zero (0) is
the identity for addition of the rational number
the identity for subtraction of the rational number
the identity for multiplication of the rational number
the identity for division of the rational number
Which of the following rational numbers is in standard form?
20/30
10/4
1/2
1/-3
Which of the following is the Multiplicative identity for rational numbers?
1
-1
zero
Which of the following is the identity element?
1
-1
Zero
Which of the following is not true?
rational number are closed under addition
rational number are closed under subtraction
rational number are closed under multiplication
rational number are closed under division
Which of the following is neither appositive nor a negative rational number?
1
Such a rational number doesnt exist
Zero
Which of the following rational numbers is equivalent to 2/3?
3/2
4/9
4/6
9/4
What number is equivlant to -2/3
2/3
-3/6
-4/-6
-4/6
There are ........... number of rational numbers between two rational numbers
Zero
Unlimited
1
2
The value of (-4/3) - (-1/3) is
-2
-3
2
-1
The sum of -3/2 and 1/2 is
-1
-2
4
3
The reciprocal of a negative rational number
is a positive rational number
is a negative rational number
can be either a positive or a negative rational number
does not exist
The reciprocal of 1 is
1
-1
Not defined
The reciprocal of 0 is
1
-1
Not defined
The additive inverse of a/b is
-b/a
b/a
a/b
-a/b
Rational numbers are not closed under
Subtraction
Division
Addition
Multiplication
One (1) is
the identity for addition of the rational number
the identity for subtraction of the rational number
the identity for multiplication of the rational number
the identity for division of the rational number
If y be the reciprocal of rational number x, then the reciprocal of y will be
x
y
x/y
y/x
If x be any rational number, than x+0 is
x
-x
Not defined
Between any two rational numbers, there lie:
two rational number
No rational number
infinite rational numbers
infinite fractions
