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melalui titik (2,3) adalah...

melalui titik (2,3) adalah...

  1. y equals x squared minus 2 x plus 1

  2. y equals x squared minus 2 x plus 3

  3. y equals x squared plus 2 x minus 1

  4. y equals x squared plus 2 x plus 1

  5. y equals x squared minus 2 x minus 3

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T i t i k space b a l i k space m i n i m u m space p e r s a m a a n space k u a d r a t rightwards arrow left parenthesis 1 comma 2 right parenthesis equals open parentheses negative fraction numerator b over denominator 2 a end fraction comma fraction numerator b squared minus 4 a c over denominator negative 4 a end fraction close parentheses

negative fraction numerator b over denominator 2 a end fraction equals 1  minus b equals 2 a  b equals negative 2 a..........................1 right parenthesis  fraction numerator b squared minus 4 a c over denominator negative 4 a end fraction equals 2  b squared minus 4 a c equals negative 8 a  left parenthesis negative 2 a right parenthesis squared minus 4 a c equals negative 8 a  4 a squared minus 4 a c plus 8 a equals 0  a squared minus a c plus 2 a equals 0  a minus c plus 2 equals 0  a minus c equals negative 2....................2 right parenthesis

M i s a l k a n space p e r s a m a a n space k u a d r a t space a d a l a h space a x squared plus b x plus c space m e l a l u i space t i t i k space left parenthesis 2 comma 3 right parenthesis  y equals a x squared plus b x plus c  3 equals a left parenthesis 2 right parenthesis squared plus 2 b plus c  3 equals 4 a plus 2 b plus c  3 equals 4 a plus 2 left parenthesis negative 2 a right parenthesis plus c  4 a minus 4 a plus c equals 3  c equals 3  J a d i comma space a minus c equals negative 2 rightwards arrow a minus 3 equals negative 2 space rightwards arrow a equals 1  b equals negative 2 a rightwards arrow b equals negative 2 left parenthesis 1 right parenthesis equals negative 2

P e r s a m a a n n y a rightwards arrow y equals a x squared plus b x plus c rightwards arrow y equals x squared minus 2 x plus 3

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