Chapter 2: Problem 49
Use the coordinate plane to name the point for each ordered pair. $$(0,3)$$
Short Answer
Expert verified
The point is on the y-axis at (0,3).
Step by step solution
01
Understand the Ordered Pair
An ordered pair typically represents a point in a coordinate plane. It is written in the form \((x, y)\), where \(x\) is the horizontal coordinate, and \(y\) is the vertical coordinate. In the given ordered pair \((0,3)\), \(x = 0\) and \(y = 3\).
02
Identify the Point on the x-axis
The first number in the ordered pair \((0,3)\) is the \(x\)-coordinate. Since the \(x\)-coordinate is \(0\), the point is on the y-axis because it is at the origin horizontally.
03
Move Along the y-axis
Since the \(x\)-coordinate is \(0\), stay on the y-axis and look at the \(y\)-coordinate, which is \(3\). Move \(3\) units up from the origin (0,0) on the y-axis to reach the point.
04
Name the Point on the Coordinate Plane
Now, identify the point you have reached on the plane. The coordinates \((0,3)\) directly represent a point located at \(0\) on the x-axis and \(3\) on the y-axis. This point is exactly on the vertical line of the y-axis.
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Understanding Ordered Pairs
Ordered pairs are a fundamental concept in the coordinate plane system. They are represented as \((x, y)\), where each component of the pair corresponds to a specific coordinate on the plane. The first value, called the \(x\)-coordinate, denotes the horizontal position. The second value, the \(y\)-coordinate, indicates the vertical position.
For example, in the ordered pair \((0, 3)\), the number '0' is the \(x\)-coordinate signaling no horizontal movement from the origin. The number '3' is the \(y\)-coordinate showing a vertical shift upwards by three units from the origin.
These pairs allow us to pinpoint exact locations on a graph, making them essential for graphing equations and understanding spatial relationships.
For example, in the ordered pair \((0, 3)\), the number '0' is the \(x\)-coordinate signaling no horizontal movement from the origin. The number '3' is the \(y\)-coordinate showing a vertical shift upwards by three units from the origin.
These pairs allow us to pinpoint exact locations on a graph, making them essential for graphing equations and understanding spatial relationships.
Exploring the x-axis
The \(x\)-axis is the horizontal line in a coordinate plane. It runs left to right, infinitely extending on each side.
When identifying a point in an ordered pair, the \(x\)-coordinate tells us how far to move along the \(x\)-axis. A positive \(x\)-value takes you to the right of the origin, while a negative value leads to the left.
However, if the \(x\)-coordinate is zero, like in the ordered pair \((0, 3)\), it means no horizontal movement is needed. The point lies directly on the y-axis. This property is important when examining symmetry and intercepts in various graphs.
When identifying a point in an ordered pair, the \(x\)-coordinate tells us how far to move along the \(x\)-axis. A positive \(x\)-value takes you to the right of the origin, while a negative value leads to the left.
However, if the \(x\)-coordinate is zero, like in the ordered pair \((0, 3)\), it means no horizontal movement is needed. The point lies directly on the y-axis. This property is important when examining symmetry and intercepts in various graphs.
Understanding the y-axis
The \(y\)-axis is the vertical line in the coordinate plane, intersecting the \(x\)-axis at the origin \((0, 0)\). When using ordered pairs, the \(y\)-coordinate indicates movement up or down along this axis.
Moving upwards involves positive \(y\) values, whereas moving downwards uses negative \(y\) values.
In the ordered pair \((0, 3)\), the \(y\)-coordinate '3' tells us to move three units in a positive direction along the \(y\)-axis. Therefore, this point is found directly above the origin, reinforcing the importance of the \(y\)-axis in identifying vertical relationships on a graph.
Moving upwards involves positive \(y\) values, whereas moving downwards uses negative \(y\) values.
In the ordered pair \((0, 3)\), the \(y\)-coordinate '3' tells us to move three units in a positive direction along the \(y\)-axis. Therefore, this point is found directly above the origin, reinforcing the importance of the \(y\)-axis in identifying vertical relationships on a graph.
Point Identification on the Coordinate Plane
Point identification refers to the process of finding and naming specific points in a coordinate plane based on their ordered pairs. To accomplish this, you consider both the \(x\)-coordinate and the \(y\)-coordinate.
For the point \((0, 3)\), we start at the origin \((0, 0)\). Since the \(x\)-coordinate is zero, the point remains aligned with the y-axis. Moving three units up along the \(y\)-axis, we reach the final position at \((0, 3)\).
Successfully identifying points is crucial for graphing equations, understanding spatial geometry, and solving real-world problems involving coordinates.
For the point \((0, 3)\), we start at the origin \((0, 0)\). Since the \(x\)-coordinate is zero, the point remains aligned with the y-axis. Moving three units up along the \(y\)-axis, we reach the final position at \((0, 3)\).
Successfully identifying points is crucial for graphing equations, understanding spatial geometry, and solving real-world problems involving coordinates.