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ilovenyc

  • 2 years ago

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.

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  1. mathstudent55
    • 2 years ago
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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.

  2. mathstudent55
    • 2 years ago
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    |dw:1357082613648:dw|

  3. mathstudent55
    • 2 years ago
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    Now what do you do?

  4. ilovenyc
    • 2 years ago
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    /@mathstudent55 would you solve it to get an answwer

  5. ilovenyc
    • 2 years ago
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    @mathstudent55 would you solve it to get an answwer?

  6. ilovenyc
    • 2 years ago
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    @mathstudent55 wait would the answer be B?

  7. mathstudent55
    • 2 years ago
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    |dw:1357083868344:dw|

  8. mathstudent55
    • 2 years ago
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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.

  9. ilovenyc
    • 2 years ago
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    @mathstudent55 okay so the answer would be B, thanks for your help!

  10. mathstudent55
    • 2 years ago
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    You're welcome.

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