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heyheuhru

  • 2 years ago

The dashed figure is a dilation of the original figure. Find the scale factor. Classify the dilation as an enlargement or a reduction.

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  1. heyheuhru
    • 2 years ago
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    here is the figure

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  2. irkiz
    • 2 years ago
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    see the x coordinate of the vertical line in changes from x = 2 to x = 6

  3. irkiz
    • 2 years ago
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    that should tell you the scale factor

  4. heyheuhru
    • 2 years ago
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    um 3?

  5. irkiz
    • 2 years ago
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    nope

  6. irkiz
    • 2 years ago
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    it changes to x = 6 but the sharp point shifts left by 2

  7. heyheuhru
    • 2 years ago
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    :/ is it a reduction?

  8. irkiz
    • 2 years ago
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    so in total its like from x = 2 to x = 8

  9. heyheuhru
    • 2 years ago
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    I'm confused

  10. irkiz
    • 2 years ago
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    shift the dotted figure to the right till the sharp point coincides with the original one

  11. irkiz
    • 2 years ago
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    you have to shift by 2. so that means the vertical like is at x = 8

  12. heyheuhru
    • 2 years ago
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    the sharp point??

  13. irkiz
    • 2 years ago
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    uh the left sharp point

  14. heyheuhru
    • 2 years ago
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    here are the options for the scale point: scale factor ; reduction scale factor 4; enlargement scale factor 3; enlargement scale factor ; reduction

  15. irkiz
    • 2 years ago
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    i know the answer i am just trying to help you get it

  16. heyheuhru
    • 2 years ago
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    so move the larger triangle to the right?

  17. irkiz
    • 2 years ago
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    |dw:1353133642578:dw| shift the dotted one till point a is the same for the dotted and original one

  18. irkiz
    • 2 years ago
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    then check where the line bc is for the dotted and original one

  19. irkiz
    • 2 years ago
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    the original line is at x = 2 the dotted one is at x = 8

  20. heyheuhru
    • 2 years ago
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    hmmm so would that be 1/4?

  21. irkiz
    • 2 years ago
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    scale factor is 4 yes

  22. irkiz
    • 2 years ago
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    and the dotted one is the changed one. it is bigger so...

  23. irkiz
    • 2 years ago
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    you should know the answer

  24. heyheuhru
    • 2 years ago
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    4 enlargement?

  25. irkiz
    • 2 years ago
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    yup

  26. heyheuhru
    • 2 years ago
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    wooh!

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