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anonymous

  • one year ago

Simplify the expression. [4 + (–8)] • (–7) A. –28 B. 28 C. 84 D. –84

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  1. anonymous
    • one year ago
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    What is your understanding of this Q?

  2. anonymous
    • one year ago
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    (Or your educated guess to this answer)

  3. anonymous
    • one year ago
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    Im guessing A.

  4. anonymous
    • one year ago
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    Okay. Let's see if you were correct… give me 2 mins to solve it to explain it to you :)

  5. anonymous
    • one year ago
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    Thank you!:)

  6. anonymous
    • one year ago
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    |dw:1433697608370:dw|

  7. anonymous
    • one year ago
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    So this is our expression. We need to apply PEMDAS. Do you know what it stands for?

  8. mathstudent55
    • one year ago
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    |dw:1433697688276:dw|

  9. anonymous
    • one year ago
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    |dw:1433697615542:dw|

  10. anonymous
    • one year ago
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    ^ Thank you.. was just about to add that :)

  11. mathstudent55
    • one year ago
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    |dw:1433697721143:dw|

  12. mathstudent55
    • one year ago
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    |dw:1433697735526:dw|

  13. anonymous
    • one year ago
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    OH i see where you done that!

  14. anonymous
    • one year ago
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    That is correct… Do you understand it better? You were really close - the + and - signs always throw some students off sometimes :)

  15. anonymous
    • one year ago
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    can you medal eachother? ill fan both of you ^.^

  16. mathstudent55
    • one year ago
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    |dw:1433697787667:dw|

  17. anonymous
    • one year ago
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    :) Sure and thanks

  18. anonymous
    • one year ago
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    Parenthesis Exponents Multiplication Division Addition Subtraction

  19. anonymous
    • one year ago
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    I might need help with a bit more! but I need to see and i'll tag you bother PLEASE EXCUSE MY DEAR AUNT SALLY I know xDD

  20. mathstudent55
    • one year ago
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    |dw:1433697854047:dw|

  21. anonymous
    • one year ago
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    Rules: (-)(-) = + (+)(+) = + (-)(+) = - (+)(-) = -

  22. anonymous
    • one year ago
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    OHHHH I see !

  23. mathstudent55
    • one year ago
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    When you multiply or divide two numbers, equals signs give positive answer. Different signs give negative answer.

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spraguer (Moderator)
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