Asked by Katherine
Hi can someone explain what is meant by the inverse of a transformation
Answers
Answered by
Steve
it is the transformation needed to return to the original state.
Just as an inverse function is what you need to get x.
sqrt(x) and x^2 are inverses because (sqrt(x))^2 = sqrt(x^2) = x
similarly, stretch by 2 and shift 8 up has the inverse transformation
shift down 8 and shrink by 2.
+ is the inverse of -
and so on.
Just as an inverse function is what you need to get x.
sqrt(x) and x^2 are inverses because (sqrt(x))^2 = sqrt(x^2) = x
similarly, stretch by 2 and shift 8 up has the inverse transformation
shift down 8 and shrink by 2.
+ is the inverse of -
and so on.
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