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Published on May 8, 2011
GCSE mathematic revision help. An example on how to enlarge a shape by a positive and negative scale factor for GCSE revision. Our full range of GCSE videos - http://www.mathslearn.co.uk/gcsemaths... A scale factor of 2 and -2 is chosen. This is one of the key GCSE transformations and will help secure a grade C and above in your GCSE examination View my channel: http://www.youtube.com/jayates79