Author Topic: Can the scale factor of sheer or stretch be negative ??  (Read 1358 times)

Offline Exam_Terrified

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So, that if my answer is negative, do i put the answer postive ??

Offline astarmathsandphysics

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Re: Can the scale factor of sheer or stretch be negative ??
« Reply #1 on: May 12, 2009, 10:47:20 pm »
Yes it can. It moves to the other side of the centre of enlargement.

Offline Exam_Terrified

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Re: Can the scale factor of sheer or stretch be negative ??
« Reply #2 on: May 12, 2009, 10:52:18 pm »
Yes it can. It moves to the other side of the centre of enlargement.

no, i meant sheer or stretch, i know about enlargement.

Offline astarmathsandphysics

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Re: Can the scale factor of sheer or stretch be negative ??
« Reply #3 on: May 13, 2009, 01:55:44 am »
When youstretch you still need a direction of stretch starting from a certain point. I think therefore that it would be negastive if stretched by the same facture in the other direction.

Offline sweetsh

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Re: Can the scale factor of sheer or stretch be negative ??
« Reply #4 on: May 13, 2009, 10:09:14 pm »
Till now I cant handle the shear and enlargement thing in transformations thing!

Offline 7ooD

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Re: Can the scale factor of sheer or stretch be negative ??
« Reply #5 on: May 14, 2009, 12:01:02 am »
dude chill yes it can it will be behind the invariant line if you know the transformation matrix then u can easily substitute the factor wiz costant value k
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