**How To Read Ordered Pairs** – Rectangular coordinate system A system consisting of two number lines at right angles that define points in a plane using ordered pairs (x, y). Consists of two real number lines that meet at right angles. A horizontal number line, called the x-axis, is a horizontal number line used as a reference in a rectangular coordinate system. , and the vertical number line is called the y-axis The vertical number line is used as a reference in a rectangular coordinate system. . These two number lines define a plane called a plane. The plane is defined by the x and y axis. , and each point in this plane is associated with an ordered pair (x, y) that identifies a position relative to the origin in the rectangular coordinate plane. of real numbers (

Coordinate The intersection of the two axes is actually known as the point where the x and y axes cross, denoted (0, 0). , which corresponds to the point (0, 0).

## How To Read Ordered Pairs

The axes divide the plane into four regions called quadrants. Designated with Roman numerals I, II, III and IV as shown in FIG. ordered pair (

### Solved: Find The Domain Of The Function. (enter Your Answers Using Interval Notation ) Uv H(u, V) U

) denotes the location of the points relative to the origin. For example, the ordered pair (−4, 3) represents a location that is 4 units to the left of the origin and 3 units up in the second quadrant.

This system is often called the Cartesian coordinate system, a term used in honor of René Descartes when referring to a rectangular coordinate system. It was named after the French mathematician René Descartes (1596-1650).

Next, we define a relation as any set of ordered pairs. Like any set of ordered pairs. In the context of algebra, the relations of interest are the sums of ordered pairs (

) on a rectangular coordinate plane. In general, coordinates are related to a rule expressed by an algebraic equation. For example, two algebraic equations describe the relationship between y=|x|−2 and x=|y|+1.

## Introduction To The Coordinate Plane (video)

The solution set of each equation forms a relation consisting of an infinite number of ordered pairs. We can use a given ordered pair solution to estimate all other ordered pairs by drawing a line through the given points. Here we put arrows at the end of our lines to show that this set of ordered pairs continues without limit.

The representation of the relationship described above on a rectangular coordinate plane is called a graph. Visual representation of the relationship in a rectangular coordinate plane. . Each curve plotted on a rectangular coordinate plane represents a set of ordered pairs and thus defines a relationship.

A value, a domain called a set, contains all the first components of a relation. For connections consisting of points in a plane, the domain is the set of all x-values. . And this set includes all the other parts of the relation in this case

Values are called ranges that cover all parts of the relationship. For relationships involving points in a plane, the range is the set of all Y values. (Or the code domain is used when a range is referred to. ) We can often determine the domain and range of a relation if we are given its graph.

### Ks3. Algebra. 9. Plotting Points

Here we see that the graph of y=|x|−2 has a domain containing all real numbers ℝ=(−∞, ∞) and a range of all real numbers

Value An association with this property is called a function. A relation where each element in the domain corresponds to exactly one element in the range. .

Consider a relation involving seven ordered pairs of solutions for y=|x|−2 and x=|y|+1. The correspondence between each domain and range can be:

Note that each element in the domain of the solution set y=|x|−2 corresponds to only one element in the range; This is a function. However, the solutions x=|y|+1 are the values in the domain corresponding to the two elements of the range. Especially J

## F. J. Budden And C. P. Wormell, Mathematics Through Geometry (pergamon Press, 1964), Ix + 230 Pp., 25s.

We can visually identify functions through their graphs with the vertical line test If any vertical line crosses the graph more than once, the graph does not represent a function. . If any vertical line intersects the graph more than once, the graph does not represent a function.

The vertical line represents the domain value, and the number of intersections with the graph indicates the number of values it corresponds to. As we can see, each vertical line intersects the graph of y=|x|−2 only once; So, this is a feature. A vertical line may cross the graph of x=|y|+1 more than once; Therefore, this is not a function. As in the picture, J

Furthermore, since we find a vertical line that intersects the graph more than once, we conclude that the graph is not a function. There are many

To get an input value that produces exactly one output, we can use the function notation f(x)=y, which reads “x of f equals y.” For a given function, y and f(x) can be used. :

## Functions And Relations Study Guide

“And not to be confused with multiplication. Algebra often involves operations, and so the notation is useful for performing common operations. Here

In the domain, we can quickly calculate the corresponding value in the range. As we have seen, functions are also described using graphs. In this case, we define f(−5) = 3:

A function argument is the value or algebraic expression used as input when using the function notation. . The argument can be any algebraic expression. for example:

Remember that when evaluating, it is best practice to start by replacing variables with parentheses and then replace the corresponding values. This helps order the operations while simplifying the expression.

#### What Is The K For The Table. K = Number Value Only. 11: Fill In The Equation. 12: If The Venue

The dollar value of a particular car depends on the number of years since it was purchased in 1970 according to the following function: any quadrant of the plane divided by the x and y axes. A coordinate plane or map used to display a location represented as a pair of letters and/or numbers The first coordinate is the horizontal position (x-axis) The second coordinate is the vertical position (y-axis)

The origin is where the ___ axis meets the ____ axis. The x-axis, negative numbers, are toward the ______ of the origin. y-axis, negative numbers are _____ original.

Copy the grid on the left and then draw the points A (3, 0) B (-1, 3) C (-3, 1) to make the fourth point (D) a rectangle, and write this point as blue What is the point, red and pink point coordinates? (-2, 3) Work out the coordinates of the other angles? What is the length and width of this rectangle? (5, -5)

Copy the grid on the left and then draw the points A (3, 0) B (-1, 3) C (-3, 1) to make the fourth point (D) a rectangle, and write the coordinates of that point. Work out the coordinates of the blue point (4, 3), the red point (3, -2) and the pink point (-3, -4) (-2, 3) of the other vertices? (5, 3) and (-2, -5) What is the length and width of this rectangle? 8 and 7 (5, -5)

### Ordering Numbers Practice Questions

The second card is vertical movement (y-axis) the movement must be written e.g. Ben (o) Mark (x) (3, 4) (2, 4) (-3, 4) (1, 6) Different version – either First get three in a row or make a rectangle and win the largest area.

(7, 3) (-4, -1) How long are the sides of the rectangle? What are the coordinates of the remaining angles? What are the coordinates of the center?

To manage this website, we log user data and share it with processors. To use this website, you must agree to our privacy policy, including our cookie policy. Coordinate plane 101 ALGEBRA 11/16/15. A coordinate plane is a set of axes on which ordered pairs of input and output values can be plotted.

Presentation on theme: “Coordinate Plane 101 ALGEBRA 11/16/15 A coordinate plane is a set of axes on which ordered pairs of input and output values can be plotted.” – Presentation transcript:

### Coordinate Plane Notes

3 The starting point of the coordinate plane is the intersection of the horizontal and vertical axes. This point is (0, 0) The horizontal axis is called the x-axis. The vertical axis is called the y-axis.

5 X-Axis Basics The X-Axis works the same as a regular number line with zero as the starting point. All points to the left of the origin have a negative x-value, and all points to the right of the origin have a positive x-value. +- origin: (0, 0)

6 Y-Axis Basics The Y-axis basically acts as a number line with a vertical zero. All points below the origin have a negative y-value, and all points above the origin have a positive y-value. + – origin: (0, 0)

7 Each point corresponds to an ordered pair on the coordinate plane. (x, _) (_, y) (9, 4) The first number in the ordered pair

## What Are Coordinates

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