Microsoft Word - math class 9 beng.docx1. : 1x14
I. √7
a. 1 2
b. 2 3
c. 3 4
d. 6 7
II. (2,-4) Quadrant ( )
a.
d.
III. x5+2x³+3x²+x DEGREE ( )
a. 5
b. 3
c. 2
d. 1
a. 1
b. 3
c. 2
d. 4
a. 4
b. 3
c. 2
d. 1
pg. 2
VI. 15% 54
a. 360
b. 460
c. 380
d. 480
mx – 3y -1 = 0
(4-m) x – y + 1 = 0
a. 1,3
b. 2,4
c. 1,4
d. 3,2
a.
x 100
b.
x 100
c.
d.
IX. 2, 4, 8, 3, 5, 7, 2, 6, 9
a. 9
b. 8
c. 2
d. 7
X. O , + =16 ABCD
a. 8
b. 4
c. 32
d.
XI. 2x+3 = 0
a. x
b. y
c.
d.
pg. 3
XII. (7,-5) , (-2,5), (4,6) ,
a. (3,-2)
b. (2,3)
c. (3,2)
d. (2,-3)
XIII. 5
a. 5
b. 5/2
c. 10
d. 7.5
XIV. √3
a. 5
b. 5/2
c. 10
d. 7.5
2. : 2x13=26
i. 1/5 1/4 2
ii. 20% 480 ?
iii. {(125)-2x(16)-3/2}-1/6 ?
iv. (6,-8) x- y- ?
v. (x³ - 6x² + 13x + 60) ÷ (x-1) ,
vi. , (2,2) , (-2,2) (-2√3,2√3)
vii. ABCD AB=4 ∠ = 60. BD ?
viii. 34 60 ². .
ix. ?
x. BE CF , G . P Q BG CG - . PQ =3 . BC
?
xi. 42 10
|
xii. ( )
xiii.
60-69 70-79 80-89 90-99
pg. 4
3. 3000 15% 10%
8 % 4
4. f(x) = ( )
+ ( )
f(a)+f(b) = f(a+b) 3
5. [ ] 3
i. 1+8x³+18xy-27y³
ii. 2(a²+ ²) – (a - ) – 7
6. 4
4x-y = 3

16 8 ?
7.
+ = 5
- = 1
ax – by = a²-b²
8. 25x+4+29 = 210 3
9. = = xx .yy .zz =1 3
10. = 999, = 998, = 997 a3+b3+c3-3abc 3
pg. 5
11. 4
10 20 30 40 50 60

17 22 29 37 50 60
12. — ' ' 4

' ' —
13. AB CD ACBD | 3

ABC O , ∠ = 2∠
14. 5 60 | 4
15 ABC A,B C (-1,3), (1,-1) (3,1) | AD ? 3

(a,0), (0,b) (1,1) , + = 1
16. ( ) : 3x2=6
i. √2 + 1 , ?
ii. 18 32, ?
iii. 15 20 ,
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