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ChristaB

  • 2 years ago

1/2a^2 - 1/4a For a=4

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  1. lgbasallote
    • 2 years ago
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    substitute a with 4....where are you confused tehre?

  2. ChristaB
    • 2 years ago
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    1/2(4)^2 - 1/4(4) 1/2 (16) - 1/4(4) 16/2- 4/4 ???

  3. lgbasallote
    • 2 years ago
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    that depends... is the question \[\frac 12 a^2 - \frac 14a\]or\[\frac 1{2a^2} - \frac 1{4a}\]

  4. ChristaB
    • 2 years ago
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    its 1/2a2 - 1/4a

  5. lgbasallote
    • 2 years ago
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    ?

  6. ChristaB
    • 2 years ago
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    a^2

  7. lgbasallote
    • 2 years ago
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    a^2 = \(a^2\)

  8. ChristaB
    • 2 years ago
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    I am working on polynomials. The question says to "Evaluate the expression" 1/2a^2 - 1/4a For a= 4

  9. lgbasallote
    • 2 years ago
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    and i am asking you how the question looks like...

  10. ChristaB
    • 2 years ago
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    How do you get your equation to look like a real exponent on here?

  11. lgbasallote
    • 2 years ago
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    is the a in the denominator or not?

  12. lgbasallote
    • 2 years ago
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    is it \[\huge \frac 12 a^2 - \frac 14a\] or \[\huge \frac 1{2a^2} - \frac 1{4a}\]

  13. ChristaB
    • 2 years ago
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    no, it is to the side of the of the fraction

  14. lgbasallote
    • 2 years ago
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    then you're right

  15. ChristaB
    • 2 years ago
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    Got it.... thank you- but seriously. how did you type out the equation like that on the computer

  16. lgbasallote
    • 2 years ago
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    do you see that box that says \[\huge \boxed{\sum \; \rm{Equation}}\]

  17. lgbasallote
    • 2 years ago
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    below the comment box

  18. ChristaB
    • 2 years ago
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    yes

  19. ChristaB
    • 2 years ago
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    oh.. cool.. thank you

  20. lgbasallote
    • 2 years ago
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    welcome

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spraguer (Moderator)
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