Podcast
Questions and Answers
What is the purpose of the X-axis in a graph?
What is the purpose of the X-axis in a graph?
What do the X and Y axes intersect at?
What do the X and Y axes intersect at?
What is the value that goes in the direction of the X-axis?
What is the value that goes in the direction of the X-axis?
What is the axis graph composed of?
What is the axis graph composed of?
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What is required to plot a point on a graph?
What is required to plot a point on a graph?
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What does the Y-axis represent in a graph?
What does the Y-axis represent in a graph?
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What is the difference between a linear and polynomial axis chart?
What is the difference between a linear and polynomial axis chart?
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How do you find the range of a graph?
How do you find the range of a graph?
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What is the domain of a graph?
What is the domain of a graph?
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What is the order of plotting an ordered pair (X,Y) on a graph?
What is the order of plotting an ordered pair (X,Y) on a graph?
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Study Notes
Graph Terminology
- A graph consists of perpendicularly intersecting lines called axes.
- The range of the scale represents all the numbers encompassed on the graph.
- The scale of the graph represents the value of each tic mark present on the graph.
Axis on a Graph
- The axis graph is the basic layout for the graph and contains all data plotted on the graph.
- The axis graph shows the intersection of two real number lines: one horizontal (X-axis) and one vertical (Y-axis).
- The X-axis is the independent variable of the data set, while the Y-axis is the dependent variable of the same data set.
X and Y Axes
- The X-axis is the horizontal line, and the Y-axis is the vertical line.
- The X and Y axes are normally defined as ordered pairs in data sets, denoted as (X,Y).
- A point on a graph is listed as an ordered pair (X,Y).
X-Axis
- The X-axis is the horizontal line that represents the first number in an ordered pair (X,Y) for a data point on a graph.
- The value of X in an ordered pair goes in the direction of the X line (horizontal).
Y-Axis
- The Y-axis is the vertical line that represents the second number in an ordered pair (X,Y) for a data point on a graph.
- The value of Y in an ordered pair goes in the direction of the Y line (vertical).
Axis Charts
- Graphs can be either linear or polynomial axis charts.
- Linear axis charts show changes in data that create a straight line, where a change in X produces the same change in Y.
- Polynomial axis charts show changes that vary, where a change in X does not produce an equal value of Y.
Plotting Data Points
- To create a data point, take the value of X, move in a horizontal direction towards that number, and then move from the value of X to the value of Y in a vertical direction.
- The value of X goes first, and the value of Y is second.
Range of a Graph
- The range of a graph is the difference between the highest and lowest values of Y in the vertical direction.
- The range is found by moving vertically, up and down to find the difference between the highest and lowest values of Y.
Domain of a Graph
- The domain of a graph is the difference between the highest and lowest values of X in the horizontal direction.
- The domain is found by moving horizontally, left and right to find the difference between the highest and lowest values of X.
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Description
Learn about the basics of graph terminology, including axes, scales, and coordinates. Understand how to read and interpret graphs with this introductory quiz.
