image.jpg - 1 30 19 Reml Solving equations Solve for y 04...

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Unformatted text preview: 1 - 30 - 19 Reml ( Solving equations ) Solve for y 04+ 13 X (3) 14 , 4 = x (3) 412 = X y = x - 13 y = 2 2 Reml ( Square root ) Let * , y in ER . T. F. A. E . ( The following are cavivalent ) () 42 = x And y 20 (2 ) y = 1x Notice from I that xay? , . x20 Exl Vil - 4 Incorrect : Vice + 4 x 16 = 42 And 420 Ex 736 = 6 ( 2 ) 12 = 1.41 ... 3 ) 7- 25 is undefined Vox only- defined for x 2 0 , . No ( + ) inputs allowed ! Observe: V- 25 = w - 25 = w2 And wad There is no w which squares to become - 25 : ( - ) Things square to ( + ) things ( + ) things square to ( + ) things 0 to o Runl ( cube root ) Let X, y in IB T. F. A . E 1 43 = X ly can be any BB ) Exl 3/8 = 2 : Why 25 = 2. 2. 2 = 8 And 2/ 1 = P 8 = ps...
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  • Fall '09
  • SCOTT
  • Square number, Exl Vil, T. F. A. E

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