Which Set Of Points Are Linear? A. ( − 1 , 9 ) , ( 0 , 8 ) , ( 1 , 9 ) {(-1,9), (0,8), (1,9)} ( − 1 , 9 ) , ( 0 , 8 ) , ( 1 , 9 ) B. ( 1 , 4 ) , ( 5 , 6 ) , ( 7 , 7 ) {(1,4), (5,6), (7,7)} ( 1 , 4 ) , ( 5 , 6 ) , ( 7 , 7 ) C. ( − 2 , 13 ) , ( 0 , − 5 ) , ( 2 , 3 ) {(-2,13), (0,-5), (2,3)} ( − 2 , 13 ) , ( 0 , − 5 ) , ( 2 , 3 ) D. ( 1 , 2 ) , ( 2 , 10 ) , ( 3 , 8 ) {(1,2), (2,10), (3,8)} ( 1 , 2 ) , ( 2 , 10 ) , ( 3 , 8 )

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Introduction

In mathematics, a set of points is considered linear if they lie on a straight line. This concept is crucial in various fields, including geometry, algebra, and calculus. To determine whether a set of points is linear, we need to examine the relationship between the x-coordinates and the y-coordinates of the points. In this article, we will explore the concept of linear points and apply it to the given sets of points.

What Are Linear Points?

Linear points are points that lie on a straight line. This means that if we plot the points on a coordinate plane, they will form a straight line. The key characteristic of linear points is that the ratio of the x-coordinates to the y-coordinates is constant. In other words, if we take any two points on the line, the ratio of their x-coordinates to their y-coordinates will be the same.

How to Determine Linear Points

To determine whether a set of points is linear, we can use the following steps:

  1. Plot the points on a coordinate plane: This will help us visualize the relationship between the x-coordinates and the y-coordinates of the points.
  2. Check if the points form a straight line: If the points form a straight line, then they are linear.
  3. Calculate the slope of the line: If the slope of the line is constant, then the points are linear.

Analyzing the Given Sets of Points

Now, let's analyze the given sets of points:

A. (-1,9), (0,8), (1,9)

To determine whether these points are linear, we can plot them on a coordinate plane and check if they form a straight line.

| x | y |
| --- | --- |
| -1 | 9 |
| 0 | 8 |
| 1 | 9 |

When we plot these points on a coordinate plane, we can see that they form a straight line. The slope of the line is constant, which means that these points are linear.

B. (1,4), (5,6), (7,7)

To determine whether these points are linear, we can plot them on a coordinate plane and check if they form a straight line.

| x | y |
| --- | --- |
| 1 | 4 |
| 5 | 6 |
| 7 | 7 |

When we plot these points on a coordinate plane, we can see that they do not form a straight line. The slope of the line is not constant, which means that these points are not linear.

C. (-2,13), (0,-5), (2,3)

To determine whether these points are linear, we can plot them on a coordinate plane and check if they form a straight line.

| x | y |
| --- | --- |
| -2 | 13 |
| 0 | -5 |
| 2 | 3 |

When we plot these points on a coordinate plane, we can see that they do not form a straight line. The slope of the line is not constant, which means that these points are not linear.

D. (1,2), (2,10), (3,8)

To determine whether these points are linear, we can plot them on a coordinate plane and check if they form a line.

| x | y |
| --- | --- |
| 1 | 2 |
| 2 | 10 |
| 3 | 8 |

When we plot these points on a coordinate plane, we can see that they do not form a straight line. The slope of the line is not constant, which means that these points are not linear.

Conclusion

In conclusion, the set of points A. (-1,9), (0,8), (1,9) is linear, while the sets of points B. (1,4), (5,6), (7,7), C. (-2,13), (0,-5), (2,3), and D. (1,2), (2,10), (3,8) are not linear. To determine whether a set of points is linear, we need to plot the points on a coordinate plane and check if they form a straight line. If the points form a straight line, then they are linear.

Introduction

In our previous article, we explored the concept of linear points and analyzed the given sets of points to determine which ones are linear. In this article, we will answer some frequently asked questions related to linear points and provide additional information to help you better understand this concept.

Q&A

Q: What is the difference between linear and non-linear points?

A: Linear points are points that lie on a straight line, while non-linear points do not lie on a straight line. Non-linear points can form curves, circles, or other shapes.

Q: How do I determine if a set of points is linear or non-linear?

A: To determine if a set of points is linear or non-linear, you can plot the points on a coordinate plane and check if they form a straight line. If the points form a straight line, then they are linear. If the points do not form a straight line, then they are non-linear.

Q: What is the significance of linear points in mathematics?

A: Linear points are significant in mathematics because they are used to define lines, planes, and other geometric shapes. Linear points are also used in algebra to solve systems of equations and in calculus to find the derivative of a function.

Q: Can a set of points be both linear and non-linear at the same time?

A: No, a set of points cannot be both linear and non-linear at the same time. If a set of points is linear, then they lie on a straight line, and if they are non-linear, then they do not lie on a straight line.

Q: How do I find the slope of a line given a set of linear points?

A: To find the slope of a line given a set of linear points, you can use the formula:

m = (y2 - y1) / (x2 - x1)

where m is the slope, and (x1, y1) and (x2, y2) are two points on the line.

Q: Can a line have a slope of zero?

A: Yes, a line can have a slope of zero. This occurs when the line is horizontal, meaning that it does not rise or fall as you move along the line.

Q: Can a line have an undefined slope?

A: Yes, a line can have an undefined slope. This occurs when the line is vertical, meaning that it does not rise or fall as you move along the line.

Q: How do I determine if a line is horizontal or vertical?

A: To determine if a line is horizontal or vertical, you can look at the slope of the line. If the slope is zero, then the line is horizontal. If the slope is undefined, then the line is vertical.

Conclusion

In conclusion, linear points are an important concept in mathematics, and understanding how to determine if a set of points is linear or non-linear is crucial for solving problems in algebra, geometry, and calculus. By following the steps outlined in this article, you can determine if a set of points is linear or non-linear and find the slope of a line given a set of linear points.

Additional Resources

Note: The additional resources provided are fictional and for demonstration purposes only.