Created by T Madas Question 45 Complete the square in the following quadratics and then state the coordinates of their maximum or minimum point a) y = − x + x − = − ( x − ) max ( 2,1) b) y = − x − 12 x − 32 = − ( x + ) c) y = − x − x − = − ( x + 3) d) y = − x + 14 x = 49 − ( x − ) max ( −6, ) max ( −3, ) max ( 7, 49 ) e) y = − x + x − 15 = −14 − ( x − 1) max (1, −14 ) Question 46 Complete the square in the following quadratics and then state the coordinates of their maximum or minimum point a) y = −2 x + 12 x + 36 = 54 − ( x − 3) ( b) y = −4 x + x − = −2 − x − 12 ) max − 32 , 52 ( ) ( ( max 12 , −2 max − 12 , − 74 ) d) y = − x − 3x + 14 = 52 − x + 32 max ( 3,54 ) ( c) y = − x − x − = − 74 − x + 12 ) 35 − x − e) y = −2 x + 12 x − 89 = − 32 ( ( ) ( ) max 18 , − 35 32 Created by T Madas ) ) Created by T Madas REARRANGE FORMULAE Created by T Madas