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Transformation matrix
Hi
I've got this math problem in an past IGCSE exam.. Even though it's question (c), it doesn't rely on any other information above it, so thats the whole question.
What I want to know is, how can I tell what type of transformation will it be just by looking at the matrix?
Thanks


Thank you! I understand all the steps except this one:
Did you replace the variables a and b with any numbers? Sorry if I'm confusing you. I know how to multiply matrices, but how did you do it with variables?