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Fang02 Group Title

Please check this. I'd appreciate it. What is the value of x? Justify each step? They want me to name the properties that each step belongs to. (i.e. transitive, symmetric, division property of equality, etc.) AC = 32 I'll draw it in the comments. AB + BC = AC a. Transitive Property 2x + 6x + 8 = 32 b. Addition Property of Equality 8x + 8 = 32 c. Subtraction Property of Equality 8x = 24 d. Division Property x = 3 e. Substitution

  • 2 years ago
  • 2 years ago

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  1. Fang02 Group Title
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    |dw:1349993792702:dw| Drawing is not to scale.

    • 2 years ago
  2. muhammad9t5 Group Title
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    2nd: 8x+8=32 8x=32-8 8x=24 x=3

    • 2 years ago
  3. muhammad9t5 Group Title
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    you are ok with your work!!

    • 2 years ago
  4. Fang02 Group Title
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    I know that the steps are correct. However, they wanted me to name the properties that each step belongs to. (i.e. transitive, symmetric, division property of equality, etc.) I know that there are nine properties in total. I just wanted to make sure that I had them with the correct steps.

    • 2 years ago
  5. Fang02 Group Title
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    My main question is if they want the x = 3 step to account for the substitution property of equality or do they want me to write 'proven.'

    • 2 years ago
  6. vivalakoda Group Title
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    For x=3. it wouldn't be Substitution. You're not substituting anything, you're simplifying. I'd put simplify.

    • 2 years ago
  7. vivalakoda Group Title
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    In parentheses (proven) beside it, just in case

    • 2 years ago
  8. Fang02 Group Title
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    Simplifying isn't one of the properties though. I figured that I would put substitute since I would be substituting 3 as for x.

    • 2 years ago
  9. Fang02 Group Title
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    Okay, I'll do that.

    • 2 years ago
  10. vivalakoda Group Title
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    You're not substituting 3 as x though, you just simplified it to get x=3. But yeah!, I'd go with "proven" :)

    • 2 years ago
  11. Fang02 Group Title
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    Okay, I have one more question. Would you mind helping me out with it?

    • 2 years ago
  12. vivalakoda Group Title
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    Sure :3

    • 2 years ago
  13. Fang02 Group Title
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    For another problem that deals with this same situation; one of the steps is angle 4 = 110 degrees. I think it's corresponding property might be symmetric. What do you think?

    • 2 years ago
  14. vivalakoda Group Title
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    I disagree, symmetric property is if for example a=b, then b=a. If that information is already given to you and you're just listing it, it would be "given", but in order for me to say exactly what the property is I would have to see the rest of the problem.

    • 2 years ago
  15. Fang02 Group Title
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    Okay, just a moment please.

    • 2 years ago
  16. Fang02 Group Title
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    They tell me to complete the two-column proof. (If you want me to draw the diagram let me know.) Given: angle 2 ≅angle 4, angle 2 = 110 degrees Prove: angle 3 = 70 degrees angle 2 ≅angle 4, angle 2 = 110 degrees a. Given angle 4 = 110 degrees b. ________ angle 4 + angle 3 = 180 degrees c.____________ angle 3 = 70 degrees d. ___________

    • 2 years ago
  17. Fang02 Group Title
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    I think that c is the Addition Property of Equality possibly.

    • 2 years ago
  18. vivalakoda Group Title
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    Ahhhh can I see a diagram

    • 2 years ago
  19. Fang02 Group Title
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    |dw:1350156185511:dw| Drawing is not to scale.

    • 2 years ago
  20. vivalakoda Group Title
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    I believe C is Corresponding Angles

    • 2 years ago
  21. Fang02 Group Title
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    I don't think that that deals with proofs though..

    • 2 years ago
  22. vivalakoda Group Title
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    You're in geometry, right?

    • 2 years ago
  23. Fang02 Group Title
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    Yes

    • 2 years ago
  24. vivalakoda Group Title
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    Theorems and postulates? Are you familiar with those?

    • 2 years ago
  25. Fang02 Group Title
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    I know about the Pythagorean Theorem for sure. I can't remember that much about postulates right now.

    • 2 years ago
  26. vivalakoda Group Title
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    Well, postulates and theorems are used to justify proofs.

    • 2 years ago
  27. Fang02 Group Title
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    Okay

    • 2 years ago
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