1. One equation of dependent linear equation is - 5x +7y=2,second equation can be_______
1 point
10x+14y+4=0
10x - 14y= - 4
-10x - 14y = - 4
-10x+14y +4=0
2. A quadratic polynomial whose zeroes are - 9 and - 1/9 is
1 point
2x² + x - 4
9ˣ + 3x-4
9x² +82x+9
3x² + 9x+1
3.If a pair of linear equations is consistent then the lines will be___
1 point
Parallel
Always coincident
Always intersecting
Intersecting or coincident
4. If the lines 3x + 2ky =2 and 2x +5y+1=0 are parallel, then value of k is
1 point
15/4
2
3/5
4
5. If α and β are zeroes of 5y² -7y+1 then value of ( 1/α )+(1/β) is
1 point
5
6/5
7/5
7
6. If two of zeroes of 2x⁴ +x³ -14x² -19x-6 are -2 and -1, then other two zeroes will be
1 point
2 and 3
3 and -1/2
-3 and 1/2
2/3 and 1
7. If α and β are zeroes of polynomial x² -5 x + k such that α - β= 1, then value of k is
1 point
6
4
2/3
6/5
8. ________ must be added to polynomial 4x⁴ + 2x³ -2x² +x -1 so that resulting polynomial is divisible by x² +2x-3.
1 point
-61x+65
32x-45
61x -65
62x +45
9. A polynomial of degree n has
1 point
Only one zero.
at least n zeroes.
more than n zeroes.
atmost n zeroes..
10.The solution of equations 3(2u+v)=7uv and 3(u+3v)=11uv is
1 point
u =3/2, v=1
u=1,v=3/2
u=-1,v=2/3
u=1,v=3
11. The zeroes of √3x² + 10x +7√3 are
1 point
√3 and -7/√3
7 and 3
-3 and 7
-√3 and -7/√3
12. A takes 3 hours more than B to walk 30 km but ifA doubles his pace he is ahead of B by one and a half hours. Their speed of walking are ____and ____km/hr.
1 point
10/3 and 5
10 and 5/3
8 and 5
16 and 8
13. The area of triangles formed by lines y=x, x=6 and y=0is____sq.units.
1 point
36
9
18
72
14. The solution of equations, ax+by=a-b and bx- ay = a+b is
1 point
x=1,y=1
x=1,y=-1
x=2,y=1
x=-1,y=1
15.The number of zeroes of polynomial in the given graph is ____.
1 point

3
2
1
4
16. If sum of zeroes of polynomial 3x² - kx+6 is 3, then value of k is ___.
1 point
9
6
3
-9
17. The zeroes of x³ - 4x are
1 point
2 and 4
2,-2 and 0.
0 and 4
4,-4 and 0
18. If x + y= 20, x- y =30 then value of x + y is ____.
1 point
30
25
- 20
20
19.If am≠ bl then system of equations ax+by=c and lx+my=n has
1 point
infinite solutions.
unique solution.
no solution.
parallel lines.
20. The difference between two numbers is 26 and one number is three times the other the numbers are ____ and____.
1 point
13,26
12,36
13,39
9,27
Answers
Answered by
0
Answer:
Take the number 16. Multiply by -5, subtract
15, add 41 and then divide by -9, What will you
get?
Answered by
0
Answer:
Given a function
f
(
x
)
that is continuous on the interval
[
a
,
b
]
we divide the interval into
n
subintervals of equal width,
Δ
x
, and from each interval choose a point,
x
∗
i
. Then the definite integral of
f
(
x
)
from
a
to
b
is
∫
b
a
f
(
x
)
d
x
=
lim
n
→
∞
n
∑
i
=
1
f
(
x
∗
i
)
Δ
x
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