# Which Linear Inequality Could Represent The Given Table Of Values

In the world of mathematics, linear inequalities are a fundamental concept that plays a crucial role in various real-life scenarios. They are essential for understanding and solving problems related to economics, engineering, and science. In this article, we will explore the concept of linear inequalities and discuss how they can be used to represent a given table of values.

## Understanding Linear Inequalities

A linear inequality is similar to a linear equation, but instead of expressing an equality, it represents a relationship between two variables where one is greater than or less than the other. The general form of a linear inequality is:

ax + by

Where a and b are the coefficients of the variables x and y, and c is a constant. The inequality symbol () indicates the direction of the relationship between the variables.

Linear inequalities can be represented graphically on a coordinate plane, where the solution to the inequality is the shaded region on one side of the line representing the inequality. This graphical representation makes it easier to visualize the relationship between the variables and understand the possible solutions to the inequality.

## Given Table of Values

When presented with a table of values, we are often asked to determine the linear inequality that represents the relationship between the variables in the table. The table of values typically consists of two columns, one for each variable, and the values represent the relationship between the variables under certain conditions.

For example, consider the following table of values:

| x | y |
|—|—|
| 1 | 3 |
| 2 | 5 |
| 3 | 7 |
| 4 | 9 |
| 5 | 11 |

Our goal is to find the linear inequality that represents the relationship between the variables x and y in this table of values. This process involves analyzing the given values and identifying the pattern or trend that exists between the variables.

## Identifying the Relationship

To determine the linear inequality that represents the given table of values, we need to identify the relationship between the variables x and y. This can be done by examining the change in the values of y as x increases, and looking for a consistent pattern.

In the example given, when x increases by 1, y increases by 2. This consistent increase in y for each unit increase in x indicates that there is a linear relationship between the variables. We can use this information to determine the linear inequality that represents this relationship.

## Finding the Inequality

To find the linear inequality that represents the relationship between the variables x and y in the given table of values, we can use the values to determine the slope of the line that represents the relationship. The slope of a line is given by the change in y over the change in x, which can be calculated using any two points on the line.

Using the points (1, 3) and (2, 5) from the table of values, we can calculate the slope as follows:

Slope = (5-3)/(2-1) = 2/1 = 2

The slope of the line representing the relationship between x and y is 2. With this information, we can now construct the linear inequality using the slope-intercept form of a linear equation, y = mx + b, where m is the slope and b is the y-intercept.

The y-intercept represents the value of y when x is 0. In the given table of values, we can observe that when x is 0, y is 1. Therefore, the y-intercept is 1.

Now that we have determined the slope and the y-intercept, we can construct the linear inequality that represents the relationship between the variables x and y. The inequality will take the form:

y > 2x + 1

This inequality indicates that y is greater than 2 times x plus 1. It represents the relationship between the variables x and y in the given table of values, where y increases by 2 for every unit increase in x, and the y-intercept is 1.

## Verifying the Inequality

Once we have derived the linear inequality that represents the given table of values, it is important to verify that the inequality holds true for all the values in the table. We can do this by substituting the values of x and y from the table into the inequality and checking if the inequality is satisfied.

Using the inequality y > 2x + 1, we can verify it with the values from the table:

For the point (1, 3):
3 > 2(1) + 1
3 > 2 + 1
3 > 3

For the point (2, 5):
5 > 2(2) + 1
5 > 4 + 1
5 > 5

For the point (3, 7):
7 > 2(3) + 1
7 > 6 + 1
7 > 7

For the point (4, 9):
9 > 2(4) + 1
9 > 8 + 1
9 > 9

For the point (5, 11):
11 > 2(5) + 1
11 > 10 + 1
11 > 11

By substituting the values from the table into the inequality, we can see that the inequality holds true for all the given values. This confirms that the linear inequality y > 2x + 1 accurately represents the relationship between the variables x and y in the given table of values.

## Conclusion

In conclusion, linear inequalities play a vital role in mathematics and provide a powerful tool for representing the relationships between variables. When presented with a table of values, we can utilize the concept of linear inequalities to determine the relationship between the variables and represent this relationship using a mathematical inequality.

By analyzing the given values and identifying the pattern or trend that exists between the variables, we can find the linear inequality that accurately represents the relationship. This process involves finding the slope of the line that represents the relationship and using the slope-intercept form of a linear equation to construct the corresponding inequality.

Once the linear inequality has been derived, it is important to verify that it holds true for all the values in the table, thus confirming its accuracy as a representation of the relationship between the variables.

In the example discussed, the linear inequality y > 2x + 1 accurately represents the relationship between the variables x and y in the given table of values. This demonstrates how linear inequalities can be used to effectively represent and analyze relationships between variables, providing a valuable tool for mathematical and real-world problem-solving.

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