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anonymous

  • one year ago

Can someone help me with Algebra I B in Connexus?

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  1. anonymous
    • one year ago
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    Here's the problem I need help on.

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  2. sophiaholder
    • one year ago
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    Yeah I can. Just give me a second.

  3. sophiaholder
    • one year ago
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    The answer would be 2.25

  4. anonymous
    • one year ago
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    you still have to multiply the x's

  5. anonymous
    • one year ago
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    Could you show me how to do it in a step by step process so I understand how to do it on my own?

  6. sophiaholder
    • one year ago
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    Yeah one second. I have to type it.

  7. sophiaholder
    • one year ago
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    1. Use distributive property 6^2 (x^-2)^2 (0.5x)^4 2. Simplify 6^2 to 36 36(x^-2)^2(0.5x)^4 3. Simplify (x^-2)^2 to x^-4 36x^-4 (0.5x)^4 4. Use the Negative Power Rule 36 * 1/x^4 (0.5x)^4 5. USe Distributive Property 36 * 1/x^4 * 0.5^4 x^4 6.Simplify 0.5^4 to 0.0625 36 * 1/x^4 * 0.0625 x^4 7. Simplify again 2.25x^4/x^4 8. Cancel x^4 2.25 Answer: 2.25

  8. sophiaholder
    • one year ago
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    ^ = x to the power of x * = multiplication / = fraction/division

  9. anonymous
    • one year ago
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    There is no division x^4 * x^4

  10. anonymous
    • one year ago
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    (x^-2)^2 = x^4

  11. sophiaholder
    • one year ago
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    When you x^4 on top and on the bottom of a fraction you cancel them out. I have done algebra for the past two years I know this.

  12. anonymous
    • one year ago
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    the exponents multiply and a negative times a negative is posative

  13. sophiaholder
    • one year ago
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    And according to the Negative Power Rule, if you have a number to the negative power, you need to move it to the bottom of a equation to make it positive

  14. sophiaholder
    • one year ago
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    You have to multiply the exponet 2 and -2 which is a negative

  15. sophiaholder
    • one year ago
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    exponents*

  16. anonymous
    • one year ago
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    you are not multiplying a fration

  17. sophiaholder
    • one year ago
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    I know that. That is not what I said.

  18. anonymous
    • one year ago
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    if you moved it to the bottom you would have 6/x^4 *(0.5x)^4

  19. sophiaholder
    • one year ago
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    Exponents 2 and -2 make -4 which has to become the denominator of the equation.

  20. sophiaholder
    • one year ago
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    Exactly! Then the exponent 4 would have to be distributed to both the x and the 0/5

  21. sophiaholder
    • one year ago
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    0/5*

  22. sophiaholder
    • one year ago
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    0.5*

  23. sophiaholder
    • one year ago
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    which would make 36 * 0.0625^4/x^4

  24. sophiaholder
    • one year ago
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    That simplifies to 2.25x^4/x^4

  25. sophiaholder
    • one year ago
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    Cancel out the x^4 and you have 2.25. Do you get what I am saying?

  26. anonymous
    • one year ago
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    I wouldn't think so, but I could be wrong. I do understand what you are saying, but I do not agree with it. But you could be right.

  27. sophiaholder
    • one year ago
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    I could be wrong as well. I guess we will just have to see which is correct once the questioner (is that how you would say it? lol) gets back.

  28. anonymous
    • one year ago
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    I just typed this into a graphing calculator and it came back as 1 E -4 Since I don't have a value for x I am assuming it returned a one and a -4. That would make you correct, Good Job. I learned something :)

  29. anonymous
    • one year ago
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    OMG thanks guys!

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