What is X?
Answer:
add 7
Step by step explain:
Writing ordered pairs involves identifying the x and y coordinates of each point and representing them as (x, y), providing precise positioning information on the coordinate plane.
To represent points as ordered pairs, you need to identify the coordinates of each point on a coordinate plane. Each ordered pair consists of two values: the x-coordinate (horizontal position) and the y-coordinate (vertical position). Here's how you would write ordered pairs for various points:
Identify the Points: First, you need to know the specific points for which you want to find the ordered pairs. Let's assume you have three points: A, B, and C.
Determine the Coordinates: To write ordered pairs, you need to determine the x and y coordinates for each point. This often involves measuring or using a scale on the coordinate plane. For example:
Point A may have an x-coordinate of 2 and a y-coordinate of 3.
Point B may have an x-coordinate of -1 and a y-coordinate of 4.
Point C may have an x-coordinate of 0 and a y-coordinate of -2.
Write the Ordered Pairs: Once you have the coordinates for each point, you can write the ordered pairs. An ordered pair is typically written as (x, y), where x represents the horizontal position (x-coordinate), and y represents the vertical position (y-coordinate). Using the coordinates from the previous step:
Point A can be represented as (2, 3).
Point B can be represented as (-1, 4).
Point C can be represented as (0, -2).
These ordered pairs allow you to precisely locate and describe the positions of points A, B, and C on the coordinate plane.
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The question probable may be:
how would you write the ordered pairs for each point
Coordinate graphing sounds very dramatic but it is actually just a visual method for showing relationships between numbers. The relationships are shown on a coordinate grid. A coordinate grid has two perpendicular lines, or axes, labeled like number lines. The horizontal axis is called the x-axis. The vertical axis is called the y-axis. The point where the x-axis and y-axis intersect is called the origin.
The numbers on a coordinate grid are used to locate points. Each point can be identified by an ordered pair of numbers; that is, a number on the x-axis called an x-coordinate, and a number on the y-axis called a y-coordinate. Ordered pairs are written in parentheses (x-coordinate, y-coordinate). The origin is located at (0,0). Note that there is no space after the comma.
The location of (2,5) is shown on the coordinate grid below. The x-coordinate is 2. The y-coordinate is 5. To locate (2,5), move 2 units to the right on the x-axis and 5 units up on the y-axis.
The order in which you write x- and y-coordinates in an ordered pair is very important. The x-coordinate always comes first, followed by the y-coordinate. As you can see in the coordinate grid below, the ordered pairs (3,4) and (4,3) refer to two different points!
The function table below shows the x- and y-coordinates for five ordered pairs. You can describe the relationship between the x- and y-coordinates for each of these ordered pairs with this rule: the x-coordinate plus two equals the y-coordinate. You can also describe this relationship with the algebraic equation x + 2 = y
You cannot evaluate for (g o f)(0). You will get an undefined answer.
(g o f)(x) tells you to plug in the f(x) function for the x-variable in the g(x) equation; so it would be like saying g(f(x)). This would result in (g o f)(x) = (1/x) - 4. Now plug in 0, (g o f)(0) = 1/0 - 4. One cannot divide by zero in order to simplify the equation and get an answer... unless an undefined answer counts, which I'm pretty sure it doesn't.