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Bài tập toán cơ bản số 39

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Created by T Madas COMPLETING THE SQUARE Created by T Madas Created by T Madas Question 39 Complete the square in the following quadratics and then state the coordinates of their maximum or minimum point a) y = x − x − = ( x − ) − 18 b) y = x + x + 10 = ( x + 3) + ( 4, −18 ) ( −3,1) ( 2, −3) c) y = x − x + = ( x − ) − d) y = x + x + = ( x + ) + e) y = x + x + 20 = ( x + ) + ( −2,5 ) ( −4, ) Question 40 Complete the square in the following quadratics and then state the coordinates of their maximum or minimum point a) y = x − x + 10 = ( x − 3) + ( 3,1) ( 5, −1) ( −5,5) b) y = x − 10 x + 24 = ( x − ) − c) y = x + 10 x + 30 = ( x + ) + d) y = x − 12 x − = ( x − ) − 40 e) y = x + 14 x + 29 = ( x + ) − 20 ( 6, −40 ) ( −7, −20 ) Created by T Madas ...Created by T Madas Question 39 Complete the square in the following quadratics and then state the coordinates of their maximum

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