1.6 Equations and Inequalties

Question 1

Equation

Answer 1

An expression involving an equal sign.

Question 2

Most important thing to remember about equations is..

Answer 2

Both sides of the equal sign represent the same value. (Must do the same thing to both sides.

Question 3

Inequality

Answer 3

An equation relates two expressions which are equal(=). A inequality relates two expressions which are not equal (>,>=,<,=<).

Question 4

When multiplying or dividing by a negative number…

Answer 4

You must flip the operator. Example

2<5
(-1)2 ? 5(-1)
-2>-5