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Math 10 Chapter 2 - Part D
1.
If x/a = b and a/x = c then bc = _________________
a) 0
b) 1/a
c) 1
d) a
2.
Eliminating z from z
2
+ 1/z
2
= n
2
and z + 1/z = m we get
a) n
2
| m
2
= -2
b) n
2
| m
2
= 2
c) n
2
+ m
2
=2
d) n
2
+ m
2
= -2
3.
Eliminating z from z | 1/z = 5a and z
2
+ 1/z
2
= 10 we get
a) a
2
=8
b) a
2
= 12
c) 25a
2
= 12
d) 25a
2
=8
4.
Eliminating m from m
2
= y/2 and m
4
= 3x we get
a) y
2
= 12x
b) x
2
= 12y
c) y
2
= x
d) x
2
= y
5.
Eliminating 'y' from y = 2t and y = 2s we get
a) 4t = s
b) s = 2t
c) 4s = t
d) s = t
6.
Eliminating 'y' from y= 1/2t and y = 2s we get
a) s =t
b) st = 4
c) s = 4t
d) 4st = 1
7.
The relation free from 't' fro t
2
= 1/x and t
3
= 2y is
a) y
3
= 4x
2
b) x
3
= 4y
2
c) 4x
2
y
3
= 1
d) 4x
3
y
2
= 1
8.
The relation free from 't' for x + 2t = p and y-3t = p is
a) 3x + 2y = p
b) 2x | 3y = 5p
c) 3x+2y = 5p
d) 3x-2y = p
9.
The eliminant by eliminating 'm' for equations m + x = 3s and m | y = -8s is
a) x + y = 11s
b) x-y = 11s
c) x + y= 5s
d) x � y = 5s
10.
The relation free from 'y' for y = 2/s and y= t/2 is
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a) st = 2
b) s = 4t
c) s =t
d) st = 4
11.
The relation free from 'u' for u = 2/x and y= 2/u
a) x=2y
b) y= x
c) y = 2x
d) y= 4x
12.
The relation free from 'u' for u = 2/tand u = 1/2s is
a) 4s = t
b) t = s
c) 4t = s
d) t = 2s
13.
at = x bt = y
a) a
2
= b
3
b) bx = ay
c) x-y = a-b
d) a
3
= b
2
14.
at
2
= x bt
3
= y
a) b
2
x
3
= a
3
y
2
b) c
3
b
5
=a
5
d
3
c) a
2
= b
3
d) c
3
d
5
= a
5
b
3
15.
a-t
2
= 0 b = t
3
a) a
3
= b
2
b) b
2
x
3
= a
3
y
2
c) a
2
= b
3
d) c
3
b
5
=a
5
d
3
16.
ct
5
= d at
3
= b
a) c
3
b
5
=a
5
d
3
b) a
2
= b
3
c) a
3
= b
2
d) b
2
x
3
= a
3
y
2
17.
x + t = a y+ t =b
a) b
2
x
3
= a
3
y
2
b) x-y = a-b
c) a
3
= b
2
d) a
2
= b
3
18.
x + 1/x = n x
2
+ 1/x
2
=m
2
a) n
2
| m
2
= 2
b) m
3
| n
3
= 3n
c) b
2
| a
2
= 4
d) m
2
| n
2
= 4
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