answersLogoWhite

0


Best Answer

Because your multiping the inverse to both sides

User Avatar

Wiki User

15y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Algebra why is it necessary to reverse the inequality symbol when multiplying both sides of an inequality by a negative number?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How do you solve algebra inequalities?

Algebraic inequalities can be solved in the same fashion as algebraic equations. The goal here, as in algebraic equations, is to isolate the variable. The one thing to remember, however, is that when dividing or multiplying both sides by a negative number, one must switch the inequality sign.


What type of graph is used to represent an inequality?

Algebra


What is a FOIL Algebra?

It means: First, Outers, Inners, Last and is the order of operations when multiplying out bracket in algebra


What do letters together mean in algebra?

it means you're multiplying them.


History of college algebra?

algebra is came from the latin word ca ajlre which means rational, equation, quantity, inequality, and the exponent is one or more.


What are negative number prefixes?

- is the prefix for negative numbers in algebra.


What is the answer to the algebra problem 5 times 10 to the negative 2 power?

5(10^(-2)) = 5 / (10^2) = 5/100 = .05 because multiplying any number by a negative exponent (such as 10^(-2)) is the same as dividing by its reciprocal (10^2)


What pathers are involve in multiplying algebraic expresslons?

The word "pathers" is not recognised in the context of algebra.


What number is n in algebra?

The whole point of using n in algebra is that it stands for an unspecified number. Until you have an equation (or inequality) that involves n and solve it for a value of n.


Can slopes be negative and positive in algebra?

YEs


What is the answer for t-3 for algebra?

t - 3 is an expression: not en equation nor an inequality. therefore, there cannot be an answer.


What are distributive properties in algebra?

the rules that you have to apply when adding ,subtracting, multiplying or dividing go to this webpage for a proper explanation http://math.about.com/od/algebra/a/distributive.htm