Multiplying or Dividing an Inequality by a Negative Value

The video tutorial explains the effect of multiplying or dividing an inequality by a negative number. It highlights the necessity to flip the inequality sign when dealing with negative values. The tutorial uses a number line to illustrate how values increase or decrease in positive and negative directions. An example with two points demonstrates how multiplying by negative numbers changes the inequality relationship, proving the need to reverse the inequality sign.

What is the result of multiplying the values 1 and 2 by -1 in terms of their inequality?

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How does the concept of flipping the inequality sign apply when dealing with negative values?

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