Exercises 103–105 will help you prepare for the material covered in the next section. Let (x1, y₁) = (7, 2) and (x2, y2) = (1, −1). Find √[(x2 − x1)² + (y2 − y₁)²]. Express the - answer in simplified radical form.
Table of contents
- 0. Review of Algebra4h 18m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations1h 43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 5m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 22m
- 10. Combinatorics & Probability1h 45m
3. Functions
Intro to Functions & Their Graphs
Problem 105
Textbook Question
In Exercises 105–106, find the midpoint of each line segment with the given endpoints. (2, 6) and (-12, 4)
Verified step by step guidance1
Identify the formula for the midpoint of a line segment: , where (x, y) and (x', y') are the endpoints of the line segment.
Substitute the given coordinates of the endpoints into the formula. Here, (x, y) = (2, 6) and (x', y') = (-12, 4).
Calculate the x-coordinate of the midpoint: .
Calculate the y-coordinate of the midpoint: .
Combine the calculated x-coordinate and y-coordinate to express the midpoint as an ordered pair: .
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Midpoint Formula
The midpoint formula is used to find the midpoint of a line segment defined by two endpoints in a coordinate plane. It is given by the formula M = ((x1 + x2)/2, (y1 + y2)/2), where (x1, y1) and (x2, y2) are the coordinates of the endpoints. This formula calculates the average of the x-coordinates and the average of the y-coordinates, resulting in the coordinates of the midpoint.
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Coordinate Plane
The coordinate plane is a two-dimensional surface formed by the intersection of a horizontal axis (x-axis) and a vertical axis (y-axis). Each point on this plane is represented by an ordered pair (x, y), where 'x' indicates the horizontal position and 'y' indicates the vertical position. Understanding the coordinate plane is essential for visualizing and solving problems involving points and line segments.
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Endpoints of a Line Segment
Endpoints of a line segment are the two distinct points that define the segment. In the context of the given question, the endpoints are (2, 6) and (-12, 4). These points are crucial for applying the midpoint formula, as they provide the necessary coordinates to calculate the midpoint, which represents the point that is equidistant from both endpoints.
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