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hugsandkisses

  • 2 years ago

When point B (5, -1) is rotated 180º about the origin, its coordinate becomes (-5, 1). True False

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  1. zbay
    • 2 years ago
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    True http://www.wolframalpha.com/input/?i=plot+%285%2C-1%29+and+%28-5%2C1%29&a=*C.plot-_*PlotsWord-

  2. meverett04
    • 2 years ago
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    Draw (5,-1) and then draw a circle that passes through (5,-1) with (0,0) as the origin. Using your picture, move halfway around the circle, 180 degrees, and we arrive at (-5, 1). TRUE!

  3. hugsandkisses
    • 2 years ago
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    thank you for explaining that!

  4. EarthCitizen
    • 2 years ago
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    true

  5. hugsandkisses
    • 2 years ago
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    thankyou

  6. EarthCitizen
    • 2 years ago
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    at (x,y) at 180 degree =(-x,-y)

  7. FoolForMath
    • 2 years ago
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    180 degree is rotation is just reflection about the origin

  8. FoolForMath
    • 2 years ago
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    Think about odd functions ..

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