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horsewhisperer

  • 2 years ago

How do I solve and graph this inequality? 12x + 4 ≥ 16 or 3x – 5 ≤ –14

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  1. frx
    • 2 years ago
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    Solve it like an equation but remember that the inequality changes if you divide or multiply by a negative number.

  2. horsewhisperer
    • 2 years ago
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    I am new to this, could you help me do this problem? If I solve it like an equation... where do I start?

  3. frx
    • 2 years ago
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    Ok, so the first inequality is \[12x \ge 16-4\] \[12x \ge \] \[x \ge \frac{ 12 }{ 12 }\] \[x \ge 1\]

  4. frx
    • 2 years ago
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    \[12x \ge 12\]

  5. horsewhisperer
    • 2 years ago
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    Okay, got it... so then is the second one x \[x \le 6\] ?

  6. frx
    • 2 years ago
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    \[3x \le -14+5\] \[3x \le -9\] \[x \le \frac{ -9 }{ 3 }\] \[x \le -3\]

  7. horsewhisperer
    • 2 years ago
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    Oh, okay, I think I see what I did wrong here... so then to graph this...?

  8. frx
    • 2 years ago
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    Just ask questions if you have any. Graphing it is actually really simple, do you know what a numberline is?

  9. frx
    • 2 years ago
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    |dw:1355781437726:dw|

  10. horsewhisperer
    • 2 years ago
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    Yes, I know what a number line is. I think I know how to do it now. Thanks for your help!

  11. frx
    • 2 years ago
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    Ok, great, no problem.

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