1.
What should be added to -5/4 to get -1?
(A) -1/4
(C)1
(B) 1/4
(D) -3/4
2.
Which of the following is the identity
element for addition?
(A) 1
(B)-1
(C) O.
(D) None
3.
Which of the following is the
Multiplicative identity for rational
numbers?
(A, 1
(B)-1
(C) 0
(D) None
4.
Which of the following lies between
and -1?
(A) 0
(B)-3
(C) -2/3
(D) 4/3
Answers
Answered by
0
Answer:
example, 0 is the identity element under addition for the real numbers, since for any real number a, a + 0 = a, and 1 is the identity element under multiplication for the real numbers, since a X 1 = a.
(1) -1/4
Step-by-step explanation:
(3)The rational number 1 is the multiplicative identity for rational numbers. if × =1. Rational numbers can be represented on a number line. Between any two given rational numbers there are infinitely many rational numbers.k. (4)
numbers with
9
9
.
∴
−
4
5
×
9
9
=
−
36
45
and
−
7
5
×
9
9
=
−
63
45
∴
Clearly,
−
39
45
lies between
−
4
5
and
−
7
5
.
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