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anonymous

  • one year ago

I need help on some geometry questions.

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  1. anonymous
    • one year ago
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    Polygon MNOPQ is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image M′N′O′P′Q′. The coordinates of point M are (2, 4), and the coordinates of point N are (3, 5). What is the slope of M′N'?

  2. Baseballguy101
    • one year ago
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    do you now how to find slope?

  3. anonymous
    • one year ago
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    No, I do not.

  4. Baseballguy101
    • one year ago
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    ok so you would use the formula y2-y1 over x2-x1. do you see how to plug that in?

  5. anonymous
    • one year ago
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    Isn't that how you find distance between two points, not slope?

  6. Baseballguy101
    • one year ago
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    no distance formula is different. slope can also be rise over run if you want to graph it

  7. anonymous
    • one year ago
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    I am.. very confused.

  8. Baseballguy101
    • one year ago
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    here ill set it up for you

  9. anonymous
    • one year ago
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    Alright..

  10. Baseballguy101
    • one year ago
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    so well start with this. you have 2 points M (2,4) and N (3,5). plugging these into the formula you would get 3-2 over 5-4

  11. Baseballguy101
    • one year ago
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    can you get it from there? It's just simplifying from here

  12. anonymous
    • one year ago
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    I really don't understand. This subject is my absolute worst.

  13. Baseballguy101
    • one year ago
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    haha it takes time to understand geometry is a killer. I'll graph it for you one second

  14. anonymous
    • one year ago
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    Thank you. c:

  15. Baseballguy101
    • one year ago
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    almost done sorry its taking so long

  16. anonymous
    • one year ago
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    It's quite alright!

  17. Baseballguy101
    • one year ago
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  18. anonymous
    • one year ago
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    pretty sure it going to small than the original

  19. anonymous
    • one year ago
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    So the answer is one? I'm very confused. I am not at all good at this stuff.

  20. Baseballguy101
    • one year ago
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    yes, is it multiple choice? it may show as 1 over 1

  21. anonymous
    • one year ago
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    is there any answer choices?

  22. anonymous
    • one year ago
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    Nope. :( It's one of those fill in the blank things.

  23. anonymous
    • one year ago
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    Do I just put the answer as 1 and move on to the next question?

  24. anonymous
    • one year ago
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    sorry i dont know this

  25. anonymous
    • one year ago
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    very well

  26. Baseballguy101
    • one year ago
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    ok if you graph it it makes these twice as easy. You just look at hte two points and look how far up or down the y axis goes that is your rise. to find the run look how far the x axis goes left or right. after finding that you just simplify the fraction giving you the slope

  27. Baseballguy101
    • one year ago
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    yes it would be 1

  28. anonymous
    • one year ago
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    That makes some sense.

  29. Baseballguy101
    • one year ago
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    ok good!

  30. anonymous
    • one year ago
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    Are you okay with helping me on a few more?

  31. Baseballguy101
    • one year ago
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    sure

  32. anonymous
    • one year ago
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    Polygon XYZW is dilated by a scale factor of 2 with point T as the center of dilation, resulting in the image X′Y′Z′W′. If point T lies on YZ¯¯¯¯¯, what can be said about Y'Z'¯¯¯¯¯¯¯ ? A) Y'Z'¯¯¯¯¯¯¯ passes through point T but has a different slope than YZ¯¯¯¯¯. B) Y'Z'¯¯¯¯¯¯¯ passes through point T and has the same slope as YZ¯¯¯¯¯ . C) Y'Z'¯¯¯¯¯¯¯ does not pass through point T but has the same slope as YZ¯¯¯¯¯. D) Y'Z'¯¯¯¯¯¯¯ does not pass through point T and has a different slope than YZ¯¯¯¯¯.

  33. anonymous
    • one year ago
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    I think it's A, but I am not sure.

  34. Baseballguy101
    • one year ago
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    hmm the slope wouldnt change so its not a or d

  35. anonymous
    • one year ago
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    Oh. B then?

  36. Baseballguy101
    • one year ago
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    it's b because it would still go through point t it will just have a longer line

  37. anonymous
    • one year ago
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    Ooh, okay, thank you. The next one I have to take a screenshot of.

  38. anonymous
    • one year ago
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    Here we go. :)

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  39. Baseballguy101
    • one year ago
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    you can do this! look at what i said earlier. so start by looking at the points how far down does the y axis go from point c to d?

  40. anonymous
    • one year ago
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    I.. uh.. uhm.. I.. I'm so confused on what to find.

  41. anonymous
    • one year ago
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    From C to D I know you go down two and left one but.. ?

  42. Baseballguy101
    • one year ago
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    here ill draw it our again

  43. Baseballguy101
    • one year ago
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    wait yeah that all you need! so simplify -2/-1 and what do you get?

  44. Baseballguy101
    • one year ago
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    i didn't see you replied

  45. anonymous
    • one year ago
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    I have no clue.. it's -3?

  46. Baseballguy101
    • one year ago
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    you just divide -2 by -1 lol

  47. anonymous
    • one year ago
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    divide? really?

  48. Baseballguy101
    • one year ago
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    yeah! once you do it a few times it comes easy

  49. anonymous
    • one year ago
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    Positive 2?

  50. Baseballguy101
    • one year ago
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    yes so you're answer would be 2

  51. Baseballguy101
    • one year ago
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    do you understand how to find slope now?

  52. anonymous
    • one year ago
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    Sorta.

  53. Baseballguy101
    • one year ago
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    what are you confused on?

  54. anonymous
    • one year ago
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    I mean, I'm kinda stubborn on learning things and I forget equations easy.

  55. anonymous
    • one year ago
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    Rectangle ABCD is dilated by a scale factor of 2 with the origin as the center of dilation, resulting in the image A′B′C′D′. If the slope of AB¯¯¯¯¯ is -2, what is the slope of A'B'¯¯¯¯¯¯ ? A) -4 B)-1 C) -2 D) 0

  56. Baseballguy101
    • one year ago
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    when you change the scale factor of a shape the slope wont change so the slope remains -2

  57. anonymous
    • one year ago
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    Hmm.. okay, thank you.

  58. Baseballguy101
    • one year ago
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    no problem, glad to help!

  59. anonymous
    • one year ago
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    Yay, I passed!

  60. Baseballguy101
    • one year ago
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    good job you didn't get any of these wrong right?

  61. anonymous
    • one year ago
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    You got them all right. I shall show proof, one moment.

  62. anonymous
    • one year ago
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  63. Baseballguy101
    • one year ago
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    looks good

  64. anonymous
    • one year ago
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    Wanna help me with one I've been stuck on forever? Lol. I can open a new topic and give you more medals that way?

  65. Baseballguy101
    • one year ago
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    medals don't matter to me lol but sure

  66. anonymous
    • one year ago
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    They make you more trust worthy. :) Will close this and open a new topic.

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