Question

SUBJECT: MATHEMATICS
3
1.
Verify:- (-x) = x for:
X =
=
5
2.
Verify the property x + y = y + x of rational number: X =
Simplify the following by using suitable property. Also, name the property.
- 1/2 &
&x=
3.
Use the distributivity of multiplication of rational numbers over addition to simplify:
3 [35 10
х
5 24
1
با |
5. Simplify:
32 23 22
х
5 11 15
-3
6. Draw the number line and represent the following rational number on it:
19
171
7.
m
Find the cost of one metre wire?
8. Arrange the following in ascending order :
-1 5 3 7 -6
2'3'4 '2'-5
9. Arrange the following in descending order:
2 5 --3 1 -3
5'-
679
6 30
10. Find the value of x:
7 х
3x-8
11. Solve forx:
1
2x
-​

Answer 1

Answer:

1 -(-x)=X because -×-=+

2 1/2+1/2=1/2+1/2

2=2