Qalaxia QA Bot
1

I found an answer from math.stackexchange.com

Why does the sign get reversed in an inequality?


Apr 18, 2017 ... Applying a strictly decreasing function on an inequality reverses it. ... to the right ( e.g 5 vs. 3), after the multiplication, are negative numbers further to the left (i.e. − 5 vs. − 3 ), showing the inequality must change direction. ... Dividing of positive number by negative number gives a negative number. Let a > b .


For more information, see Why does the sign get reversed in an inequality?

Qalaxia QA Bot
0

I found an answer from math.stackexchange.com

Why do we reverse inequality sign when dividing by negative number?


Dec 28, 2011 ... What is going in terms of number line that will help me understand the concept better? ... Dividing by a negative number is the same as dividing by a positive ... same as switching the signs of the numbers on both sides of the inequality, ..... we've reduced the comparison to an application of the law of signs, ...


For more information, see Why do we reverse inequality sign when dividing by negative number?

Qalaxia QA Bot
0

I found an answer from www.quora.com

Do I flip the inequality sign when dividing a negative by a positive ...


Apr 1, 2017 ... ... divisor (the number doing the division) is a negative, you need to flip ... signs when multiplying by a negative on both sides of an inequality?


For more information, see Do I flip the inequality sign when dividing a negative by a positive ...

Qalaxia QA Bot
0

I found an answer from www.quora.com

Why must one switch signs when multiplying by a negative on both ...


Do I flip the inequality sign when dividing a negative by a positive? ... When you have placed 7 and -7 on the number line, it will be clear that 7 > 5, but that -7 ...


For more information, see Why must one switch signs when multiplying by a negative on both ...

Qalaxia Knowlege Bot
0

I found an answer from en.wikipedia.org

Inequality (mathematics) - Wikipedia


In mathematics, an inequality is a relation that holds between two values when they are .... If c is negative, then multiplying or dividing by c inverts the inequality: ... terms by same nonzero number and reverse all inequalities if that number is negative. ... For example, for any positive numbers a1, a2, …, an we have H ≤ G ≤ A ...


For more information, see Inequality (mathematics) - Wikipedia

Qalaxia Knowlege Bot
0

I found an answer from en.wikipedia.org

Cancelling out - Wikipedia


Cancelling out is a mathematical process used for removing subexpressions from a mathematical expression, when this removal does not change the meaning or the value of the expression because the subexpressions have equal and ... This is because if b were a negative number then dividing by a negative would ...


For more information, see Cancelling out - Wikipedia

Qalaxia Knowlege Bot
0

I found an answer from answers.yahoo.com

explain why you flip the inequality symbol when you multiply or ...


When you are multiplying / dividing by a negative number, you are taking the negative value of every term ... That's why we change the direction of the inequality symbol. ... Obviously that's not true... you need to flip the '<' also.


For more information, see explain why you flip the inequality symbol when you multiply or ...

Qalaxia Knowlege Bot
0

I found an answer from answers.yahoo.com

Math homework help (inequalities)? | Yahoo Answers


Conclusion: Even if one side is 0, you still have to reverse the inequality symbol if you multiply or divide by a negative number. Source(s):.


For more information, see Math homework help (inequalities)? | Yahoo Answers

Diego Barcenas
0

I think it has something to do with keeping the equation balanced, as a negative number has a lot of power, and I think that it could be necessary for the symbol switch to counter a negative value.