### Math 10 Chapter 9 - Part D

 1. If x + y = 2 and x2 + y2 = 4 then a relation free from 'x' isa) y2 | 2y = 0 b) 2y2 + y= 8c) 8 + y2 | 4y =0d) 2y2 | y = 0
 2. If x/a = b and a/x = c then bc = _________________a) 0 b) 1/ac) 1d) a
 3. Eliminating 'z' from z2 + 1/z2= n2 and z + 1/z = m we geta) n2 | m2 = 2 b) n2 | m2 = -2c) n2 + m2 =2d) n2 + m2 = -2
 4. Eliminating 'z' from z | 1/z = 5a and z2 + 1/z2 = 10 we geta) 25a2 = 12 b) a2 = 12c) a2 =8d) 25a2 =8
 5. Eliminating 'm' from m2 = y/2 and m4 = 3x we geta) y2 = 12x b) y2 = xc) x2 = 12yd) x2 = y
 6. Eliminating 'y' from y = 2t and y = 2s we geta) 4s = t b) s = 2tc) s = td) 4t = s
 7. Eliminating 'y' from y= 1/2t and y = 2s we geta) 4st = 1 b) st = 4c) s =td) s = 4t
 8. The relation free from 't' fro t2 = 1/x and t3 = 2y isa) 4x3y2 = 1 b) 4x2y3 = 1c) x3 = 4y2d) y3 = 4x2
 9. The relation free from 't' for x + 2t = p and y-3t = p isa) 3x + 2y = p b) 3x+2y = 5pc) 3x-2y = pd) 2x � 3y = 5p
 10. The eliminant by eliminating 'm' for equations m + x = 3s and m | y = -8s isa) x | y = 5s b) x-y = 11sc) x + y = 11sd) x + y= 5s
 11. The relation free from 'y' for y = 2/s and y= t/2 isa) st = 2 b) s =tc) s = 4td) st = 4
 12. The relation free from 'u' for u = 2/x and y= 2/ua) y = 2x b) y= xc) y= 4xd) x=2y
 13. The relation free from 'u' for u = 2/tand u = 1/2s isa) t = s b) t = 2sc) 4t = sd) 4s = t
 14. at = x bt = ya) bx = ay b) a3 = b2c) x-y = a-bd) a2 = b3
 15. at2 = x bt3 = ya) c3b5 =a5d3 b) b2x3 = a3y2c) c3d5= a5b3d) a2 = b3
 16. a-t2 = 0 b = t3a) c3b5 =a5d3 b) a3 = b2c) b2x3 = a3y2d) a2 = b3
 17. ct5 = d at3 = ba) c3b5 =a5d3 b) a2 = b3c) a3 = b2d) b2x3 = a3y2
 18. x + t = a y+ t =ba) x-y = a-b b) b2x3 = a3y2c) a2 = b3d) a3 = b2
 19. x + 1/x = n x2 + 1/x2 =m2a) n2 | m2 = 2 b) m3 | n3 = 3nc) m2 | n2 = 4d) b2 | a2 = 4
 20. x | 1/x = n x3 | 1/x3 = m3a) a2-b2 = 2 b) m3 | n3 = 3nc) b2 | a2 = 4d) b4 | a4 = 2

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