### Math 10 Chapter 2 - Part D

 1. If x/a = b and a/x = c then bc = _________________a) 0 b) 1/ac) 1d) a
 2. 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
 3. Eliminating z from z | 1/z = 5a and z2 + 1/z2 = 10 we geta) a2 =8 b) a2 = 12c) 25a2 = 12d) 25a2 =8
 4. Eliminating m from m2 = y/2 and m4 = 3x we geta) y2 = 12x b) x2 = 12yc) y2 = xd) x2 = y
 5. Eliminating 'y' from y = 2t and y = 2s we geta) 4t = s b) s = 2tc) 4s = td) s = t
 6. Eliminating 'y' from y= 1/2t and y = 2s we geta) s =t b) st = 4c) s = 4td) 4st = 1
 7. The relation free from 't' fro t2 = 1/x and t3 = 2y isa) y3 = 4x2 b) x3 = 4y2c) 4x2y3 = 1d) 4x3y2 = 1
 8. The relation free from 't' for x + 2t = p and y-3t = p isa) 3x + 2y = p b) 2x | 3y = 5pc) 3x+2y = 5pd) 3x-2y = p
 9. The eliminant by eliminating 'm' for equations m + x = 3s and m | y = -8s isa) x + y = 11s b) x-y = 11sc) x + y= 5sd) x � y = 5s
 10. The relation free from 'y' for y = 2/s and y= t/2 isa) st = 2 b) s = 4tc) s =td) st = 4
 11. The relation free from 'u' for u = 2/x and y= 2/ua) x=2y b) y= xc) y = 2xd) y= 4x
 12. The relation free from 'u' for u = 2/tand u = 1/2s isa) 4s = t b) t = sc) 4t = sd) t = 2s
 13. at = x bt = ya) a2 = b3 b) bx = ayc) x-y = a-bd) a3 = b2
 14. at2 = x bt3 = ya) b2x3 = a3y2 b) c3b5 =a5d3c) a2 = b3d) c3d5= a5b3
 15. a-t2 = 0 b = t3a) a3 = b2 b) b2x3 = a3y2c) a2 = b3d) c3b5 =a5d3
 16. ct5 = d at3 = ba) c3b5 =a5d3 b) a2 = b3c) a3 = b2d) b2x3 = a3y2
 17. x + t = a y+ t =ba) b2x3 = a3y2 b) x-y = a-bc) a3 = b2d) a2 = b3
 18. x + 1/x = n x2 + 1/x2 =m2a) n2 | m2 = 2 b) m3 | n3 = 3nc) b2 | a2 = 4d) m2 | n2 = 4

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