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Math 10 Chapter 2 - Part C
1.
If y = 2x and y = 2m then eliminant free from y is 2x = m
a) False
b) True
2.
If y = 2/t and y = 1/2s then relation free from y is 4s = t
a) True
b) False
3.
Eliminating 'm' from m
^{2}
+ 1/m
^{2}
=x
^{2}
and m + 1/m = y we get x
^{2}
| y
^{2}
= 2
a) True
b) False
4.
Eliminating 'm' from m | z = 2 and m + y = 5 we get z + y = 3
a) False
b) True
5.
Eliminating 'x' from 1/x= 3m and x = 1/3n we get m = n
a) True
b) False
6.
Eliminating t from y = 3t and yt = 1, we get
a) 1/y = 3
b) y = 3
c) y
^{2}
= 3
d) y
^{2}
= 1
7.
Eliminating t from x+t =2p and y | t = 4q
a) x+y = 2p + 4q
b) x-y=2p-4q
c) x+y = p +4q
d) x-y=2p+4q
8.
The relation free from 'x' for equations x = 1/3n, x= m is
a) 3n = m
b) 3nm = 1
c) 3m = n
d) nm = 3
9.
Eliminating 'm' for equations m + x = 3c and m | y = 3d, we get
a) x + y = 3c-3d
b) x-y = 3c-3d
c) x+ y = 3c + 3d
d) x-y = 3c+3d
10.
Eliminating 'm' from m
^{3}
= 4t and m = n/4
a) n = 256t
^{3}
b) n = 16t
c) n
^{3}
= 16t
d) n
^{3}
= 256t
11.
Eliminating 'z' from x-z = 3 and y + z = 5
a) x-y = 8
b) x + y= 2
c) x � y = 2
d) x + y = 8
12.
From equations ax
^{2}
+ bx + c = 0 and lx
^{2}
+ mx + n = 0 'x' can be eliminated by the method of
a) Cross Multiplication
b) Application of Formula
c) Substitution
d) Comparison
13.
If x + 1/x = a + b and x |1/x = a-b eliminant is
a) a
^{2}
+b
^{2}
= 4
b) a
^{2}
=b
^{2}
c) ab = 1
d) a
^{2}
| b
^{2}
= 4
14.
Eliminating x from x = a, 1/x = bwe get
a) ab = -1
b) a/b = 1
c) b/a = 1
d) ab = 1
15.
The relation free of t from the equations a + t = 3 and b | t = 5
a) a + b = 8
b) a + b = 2
c) a | b = 8
d) ab = 8
16.
If x = 2m and y = 8m then a relation free from 'm' is
a) x + y = 4
b) x = y
c) 4y = x
d) 4x = y
17.
If z = 7 and z + x = 9 then a relation independent of z is
a) x = 2
b) x = -16
c) x =16
d) x = -2
18.
If x + y = 2 and x
^{2}
+ y
^{2}
= 4 then a relation free from x is
a) 2y
^{2}
+ y= 8
b) y
^{2}
| 2y = 0
c) 2y
^{2}
| y = 0
d) 8 + y
^{2}
|4y =0
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