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Algebraic Expressions
Class 8
Exercise/MCQ Set 3
1. When we simplified (a
2
-b
2
)
2
we get a
4
+ 2a
2
b
2
+ b
4
True
False
2. Using the suitable identity, find the product of 97 x 103
8091
9991
9891
10000
3. If 4x
2
+ 1/4x
2
= 62, Find the value of 2x + 1/2x
8
7
2
4
4. Simplify (3ab + 4b)
2
- (3ab - 4b)
2
48ab
24ab
48ab^2
-16ab
5. Find the value of x
2
+ y
2
when x - y = 7 and xy = 18
85
18
90
49
6. when we simplify [√3(2p
2
- 3/4 q
3
)]
2
we get 12p
4
- 9p
2
q
3
+ (27/16) q
6
True
False
7. Evaluate (10.8)
2
116.64
11.664
116.44
106.64
8. If 3x + 2/x = 7, then find (9x
2
+ 4/x
2
)
25
37
49
30
9. Simplify [(3/2)m - 2/3]
2
- (9/4)m
2
-2m+4/9
2m-4/9
4/9
-3/2m+ 4/9
10. Divide 5x
3
- 4x
2
+3x +24 by 5x + 6 find Remainder
6
8
2
3
Exercise/MCQ Set 1
Exercise/MCQ Set 2
Exercise/MCQ Set 4
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time: 0.2134580612