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Haleyy_Bugg

  • 3 years ago

Choose the correct description of the graph of the compound inequality 2x < -12 or x + 3 >= 12 A number line with an open circle on -6, shading to the left, and a closed circle on 9, shading to the right. A number line with a closed circle on -6, shading to the left, and an open circle on 9, shading to the right. A number line with an open circle on -6, a closed circle on 9, and shading in between. A number line with a closed circle on -6, an open circle on 9, and shading in between.

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  1. Haleyy_Bugg
    • 3 years ago
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    @Notamathgenius

  2. aajugdar
    • 3 years ago
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    still on this?

  3. Notamathgenius
    • 3 years ago
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    Haleyy, I have no clue o_o sorry o_o

  4. Haleyy_Bugg
    • 3 years ago
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    yes i am .-.

  5. aajugdar
    • 3 years ago
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    first is x<-6

  6. aajugdar
    • 3 years ago
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    so open circle on -6 n shading on left

  7. aajugdar
    • 3 years ago
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    2nd is x>=9

  8. aajugdar
    • 3 years ago
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    so its closed circle n shading to right

  9. Haleyy_Bugg
    • 3 years ago
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    so what do itry to find as to be an answer?

  10. aajugdar
    • 3 years ago
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    hmm consider 1st 1 2x<-12 so x< -12/2 x<-6 so all the terms less than -6 will be included xcept -6 |dw:1364411428556:dw|

  11. Haleyy_Bugg
    • 3 years ago
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    so A?

  12. aajugdar
    • 3 years ago
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    yes

  13. Haleyy_Bugg
    • 3 years ago
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    What is the equation of the line that passes through the points (-2, 1) and (1, 10)? A) 3x - y = -7 B) 3x - y = -5 C) 3x - y = 5 D) x + 3y = -5

  14. aajugdar
    • 3 years ago
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    and 2nd 1 is easy x+3>=12 x>=12-3 x>=9 so all terms greater than or equal to 12 |dw:1364411626234:dw|

  15. Haleyy_Bugg
    • 3 years ago
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    but A was the answer?

  16. aajugdar
    • 3 years ago
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    put values of (x,y) in equation

  17. aajugdar
    • 3 years ago
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    A is the answer

  18. Haleyy_Bugg
    • 3 years ago
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    to the first one, but what about the second one?

  19. aajugdar
    • 3 years ago
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    A put the values

  20. Haleyy_Bugg
    • 3 years ago
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    idk how.

  21. aajugdar
    • 3 years ago
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    (-2,1) = (x,y) so put x= -2 and y=1

  22. aajugdar
    • 3 years ago
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    3x - y = -7 in this

  23. aajugdar
    • 3 years ago
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    if this doesnt satisfy then check for 2nd option

  24. aajugdar
    • 3 years ago
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    you are supposed to check for (1, 10) too

  25. Haleyy_Bugg
    • 3 years ago
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    okay that just confused me.

  26. aajugdar
    • 3 years ago
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    well then

  27. Haleyy_Bugg
    • 3 years ago
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    yupp

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