How do you read an XY plot?

A coordinate grid has two perpendicular lines, or axes (pronounced AX-eez), labeled just like number lines. The horizontal axis is usually called the x-axis. The vertical axis is usually called the y-axis. The point where the x- and y-axis intersect is called the origin.


How do you read an XY graph?

The x value of the point (x, y) is known as the abscissa. It represents the distance of the point from the origin or along the horizontal x-axis. The y value of the point (x, y) is known as the ordinate. It represents the vertical or perpendicular distance of the point from the origin or from the x-axis.

What is an XY graph?

Also called: scatter plot, X-Y graph. The scatter diagram graphs pairs of numerical data, with one variable on each axis, to look for a relationship between them. If the variables are correlated, the points will fall along a line or curve. The better the correlation, the tighter the points will hug the line.


What does an XY axis look like?

The x and y-axis are two important lines of the coordinate plane. The x-axis is a horizontal number line and the y-axis is a vertical number line. These two axes intersect perpendicularly to form the coordinate plane.

What does XY means in math?

In algebra, when we preceed a variable by a number, we multiply. In the same way, xy means multiply the variable x by the variable y and 7xy means multiply the variable x by the variable y and multiply the whole thing by 7.


Interpreting a Scatter Plot - Sheaff Math



Why is XY pronounced Z?

Save this answer. Show activity on this post. Xylophone is from the Greek xylon, which is (or was—I'm not up on my modern Greek) pronounced with an initial [ks]. Many words borrowed from Greek via French developed a [gz] pronunciation along the way, which was reduced to [z] word-initially when adopted into English.

How do you read coordinates?

Coordinates are always written in brackets, with the two numbers separated by a comma. Coordinates are ordered pairs of numbers; the first number number indicates the point on the x axis and the second the point on the y axis.

Do you read latitude or longitude first?

Handy tip: when giving a co-ordinate, latitude (north or south) always precedes longitude (east or west). Latitude and longitude are divided in degrees (°), minutes (') and seconds (“). There are 60 minutes in a degree and 60 seconds in a minute (similar to measuring time).


How do you read XY coordinates on a map?

Latitude is indicated on a map by a series of evenly-spaced horizontal lines running from one side of the map to the other, while longitude is indicated by a series of evenly-spaced vertical lines running from top to bottom. Look for numbers along the edges of the map giving coordinates for each line.

What do the numbers mean in coordinates?

A global address is given as two numbers called coordinates. The two numbers are a location's latitude number and its longitude number ("Lat/Long").

What do the symbols in coordinates mean?

Traditionally positions are given using degrees, minutes, and seconds of angles in two measurements: one for latitude, the angle north or south of the equator; and one for longitude, the angle east or west of the Prime Meridian. Degrees, minutes and seconds are denoted by the symbols °, ', ".


Why do Americans say Zee instead of Zed?

Zee became the standard way to pronounce Z in the United States in the 19th century. It's said that zee most likely came about because it rhymes with other letter pronunciations in the English alphabet (e.g., e, d, c, b, g, and p).

Do Canadians say Zed or Zee?

Zed is the name of the letter Z. The pronunciation zed is more commonly used in Canadian English than zee. English speakers in other Commonwealth countries also prefer the pronunciation zed.

Who says Zed instead of Z?

It's not just the British that pronounce “z” as “zed”. The vast majority of the English speaking world does this. The primary exception, of course, is in the United States where “z” is pronounced “zee”. The British and others pronounce “z”, “zed”, owing to the origin of the letter “z”, the Greek letter “Zeta”.


How do you find the value of XY?

Taking into account that X + Y = X + X + B = A, one can obtain the following formulas for finding X and Y:
  1. X = (A – B) / 2.
  2. Y = X + B = (A + B) / 2.


What is the meaning of XY plane?

The xy-plane is the plane that contains the x- and y-axes; the yz-plane contains the y- and z-axes; the xz-plane contains the x- and z-axes. These three coordinate planes divide space into eight parts, called octants. The first octant, in the foreground, is determined by the positive axes. Figure 3(a)

How to read a graph?

How to read a graph
  1. Determine the type of graph. ...
  2. Read the title or legend. ...
  3. Examine any other text. ...
  4. Identify the variables on the axes and what they represent. ...
  5. Observe the x-axis and y-axis. ...
  6. Determine what each number on the graph means. ...
  7. Identify patterns in the data. ...
  8. Find where your data falls on the graph.


What is the trick to remember latitude and longitude?

When you see a pair of coordinates and can't remember whether latitude or longitude comes first, think about alphabetical order to remember. Latitude comes first in alphabetical order and it also is the first coordinate in a set. Longitude is the second coordinate in the set.

Why is latitude read first?

Latitude was first used as a measurement in around 600 BC by the Phoenicians using the pole star as a reference. Longitude did not come into general use until the invention of the Harrison marine chronometer in 1760.

What is xyz expression?

The mathematical expression xyz is a single term that is the product of three variables, namely x, y, and z. This is the exact definition of a monomial, so xyz is a monomial.