Math 10 Chapter 2

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 m² + 1/m² =x² and m + 1/m = y we get x² | y² = 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) y² = 3
d) y² = 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 m³ = 4t and m = n/4

value="a" id="10aq" onClick="Touch(this,10,id,1,0)">a) n = 256t³
b) n = 16t
c) n³ = 16t
d) n³ = 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 ax² + bx + c = 0 and lx² + 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) a²+b² = 4
b) a² =b²
c) ab = 1
d) a² | b² = 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 x² + y² = 4 then a relation free from x is

a) 2y² + y= 8
b) y² | 2y = 0
c) 2y² | y = 0
d) 8 + y² |4y =0

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