substract 2x-y-12 from the sum of 3x-2y+10 and -y-15.
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Workshme 3
1. Write the following rational numbers in standard form.
(
33
77
-105
64
-20
27
15
(iv)
98
2. Find x such that the rational numbers in each of the following pairs, become equivalent.
Х
9
- 5 10
Х
8
36
(1)
2
(iv)
- 35
6 12
Check whether the following rational numbers are in standard form. If not, write them
in standard form.
t
8
(0)
3
19
(1)
14
35
(iv) -72
7
4. Fill in the blanks.
8
36
84
105
-
-63
Hil.
How
Il
(1)
11
5
-11
Il
9
-99
BSOLUTE VALUE OF A RATIONAL NUMBER
We have studied in Class-Vl that absolute value of an integer is its numerical value without
king the sign into account, e.g. 1-31 = 3,131 = 3,01 = 0
Tho acolute value of a rational number is written in the following way
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