Inequality Definition Math Number Line

The points are spaced according to the value of the number they correspond to.

Inequality definition math number line. To plot an inequality such as x 3 on a number line first draw a circle over the number e g 3. Closed circles are used for numbers that are less than or equal to and. An inequality is a way of saying that two things are not equal. If the sign does not include equal to or leave the circle unfilled in.

Finally draw a line going from the circle in the direction of the numbers that make the inequality true. The table below shows the different inequality symbols that can be used when two expressions are not equal to each other. In a number line containing only whole numbers or integers the points are equally spaced. Show this inequality on the number line.

There are several different notations used to represent different kinds of inequalities. An inequality compares two values showing if one is less than greater than or simply not equal to another value. There is a dot on the two that is not filled in to show that it is not equal to 2. The arrow going down the number line shows that x is any number smaller than 2.

A b says that a is not equal to b. We just put a little dot where the 3 is right. Write down the inequality. Inequalities can be shown on a number line.

A b says that a is less than b. Those two are known as strict inequality a b means that a is less than or equal to b. Now an inequality uses a greater than less than symbol and all that we have to do to graph an inequality is find the the number 3 in this case and color in everything above or below it. In mathematics an inequality is a relation which makes a non equal comparison between two numbers or other mathematical expressions.

It is used most often to compare two numbers on the number line by their size. How do you graph an inequality on a number line. Graphing x a. B solve the inequality 7y 34 8.

A x 3. The first inequality is x2. A on the number line below show the inequality 2 y 3. B here is an inequality in x sjown on a number line.

Graphing inequalities on a number line number line recall that a number line is a horizontal line that has points which correspond to numbers. Open circles are used for numbers that are less than or greater than or. Then if the sign includes equal to or fill in the circle. For instance look at the top number line x 3.