Transformations Preimage +
 rotation  Pre ImageAn operation that maps (moves) a preimage to  animage is a transformation.  This transformation is a:reflectiontranslationImage Pre Image?This is a tranSLation (SLide) to the right.The NEW figure is the image.Image? This is a tranSLation (SLide) to the left.The NEW figure is the image.Image?Pre Image? If the preimage has point AAThe image has corresponding (matching) point  A'BCA'B'?C'? If the preimage has point A, the image has point A'.A' is read as "A prime"APREIMAGE?BCA'IMAGE?B'C' If the                 has point A, the image has point A'.A' is read as "A           "preimagepreimageC?primeABimageC'A'?B'? 2-24-42-24-46-6ACBC'A'B'Coordinate notationshows this translation(x,y)→(x+2, y-5)This means thepreimage moves2 units rightand 5 units downto form the image 2-24-46-62-24-46-68-810-10(x,y)→(x+2, y-7)(x,y)→(x-2, y+7)(x,y)→(x-2, y-7)(x,y)→(x+2, y+7)Which coordinatenotation is shown?A'AB'C'BC 2-24-46-62-24-46-68-810-10(x,y)→(x+2, y-7)(x,y)→(x-2, y+7)(x,y)→(x-2, y-7)(x,y)→(x+2, y+7)Which coordinatenotation is shown?AA'BCB'C' 2-24-46-62-24-46-68-810-10(x,y)→(x+2, y-7)(x,y)→(x-2, y+7)(x,y)→(x-2, y-7)(x,y)→(x+2, y+7)Which coordinatenotation is shown?AA'CBB'C' 2-24-46-62-24-46-68-810-10(x,y)→(x+2, y-7)(x,y)→(x-2, y+7)(x,y)→(x-2, y-7)(x,y)→(x+2, y+7)Which coordinatenotation is shown?A'AC'B'BC RECAP Theprocessof mapping(moving)apreimageonto animageis called a:preimagetransformationprime coordinate notation (x,y)→(x+4,y-3)What type of notationdescribes this translation(slide)?primecoordinateimagepreimage #units to the(x,y)→(x+4,y-3)This coordinate notationshows a translationleftorrightand         units#upordown #units to the(x,y)→(x-2, y+7)This coordinate notationshows a translationleftorrightand         units#upordown Final Question............. Use the coordinate notation to  find thecoordinates of the image. (Let x=5 and y=1 and solve)(5,1)→(   -2,   +7)(5,1)→(       ,      )(x,y)→(x-2, y+7)Preimage5?Image1? TheEnd
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