April 29 2018

**SIMULTANEOUS EQUATION1. Solve the following simultaneous equation2x + 5y = 6½5x – 2y = 9(A)2, ½ (B)2, 3 (C) ½ ,3 (D)-2, ½Solution Using Casio fx-991MS[ON] [MODE] [MODE] [MODE] [1] [2] contd2x + 5y = 6½ a1 + b1 = c15x – 2y = 9 a2 + b2 = C2Where a1=2, b1=5, c1=6½, a2=5, b2=-2 c2=9Contd [2] [=] [5] [=] [6] [a b /c] [1] [a b /c] [2] [=] [(-)] [2] [=] [9] [=] (x=2) Press [↓] or [=] (y=0.5)Option “A” is correct.**

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