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ilovenyc Group Title

Choose the correct description of the graph of the inequality -5x greater than or equal to 25. A Open circle on -5, shading to the left. B Closed circle on -5, shading to the left. C Open circle on 5, shading to the right. D Closed circle on 5, shading to the right.

  • one year ago
  • one year ago

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  1. mathstudent55 Group Title
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    -5x >= 25 Divide both sides by -5 Remember to be careful when you divide an inequality by a negative number. You must change the direction of the inequality sign.

    • one year ago
  2. mathstudent55 Group Title
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    |dw:1357082613648:dw|

    • one year ago
  3. mathstudent55 Group Title
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    Now what do you do?

    • one year ago
  4. ilovenyc Group Title
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    /@mathstudent55 would you solve it to get an answwer

    • one year ago
  5. ilovenyc Group Title
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    @mathstudent55 would you solve it to get an answwer?

    • one year ago
  6. ilovenyc Group Title
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    @mathstudent55 wait would the answer be B?

    • one year ago
  7. mathstudent55 Group Title
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    |dw:1357083868344:dw|

    • one year ago
  8. mathstudent55 Group Title
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    Once you divide both sides by -5, you get x <= -5 Since the inquality sign has an equal in it, you must use a closed circle that the number -5 is included in the answer. Then you shade to the left of -5 to show the answer includes all numbers less than -5.

    • one year ago
  9. ilovenyc Group Title
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    @mathstudent55 okay so the answer would be B, thanks for your help!

    • one year ago
  10. mathstudent55 Group Title
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    You're welcome.

    • one year ago
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