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Explain how to determine the size of increments on x-axis and y-axis of a graph?
X-axis shows increment when is goes up and y-axis show an increment when it goes further to the right side of the graph
How can you tell if a graph show a FUNCTION?
By doing a vertical line test. If you can draw a vertical line and it only passes through the graph once, its a function. If it passes through twice, it is NOT a function.
What is the connection between the table graph and function?
Starting from the end the function is an algebraic expression showing the relationship between variables in an equation. The simplest general form being that of two variables with a linear relationship usually shown in the form Y=mx +c where y and x are variables and m and c are constants. The graph, although existing in other forms, is usually shown using Cartesian co-ordinates with a vertical y axis and a horizontal x axis. The above function would appear as a straight line cutting the y axis at value c and with a gradient value m. If m and c had positive values then the line would slope from left to right cutting through the y axis at c and the x axis at -c/m. The table is generally the way of setting out results to show accurate information - usually the results of an experiment or investigation. It is often difficult to visualise or calculate relationships from a table, whereas the graph will illustrate it, and with simple linear relationships the function can be derived by noting the axis intersections. Eg. A straight line cutting through the x axis at -2/3 and the y axis at 2would be expressed as y=3x+2.
What do you call a graph using symbols to show amounts?
what graph uses symbols to represent amounts
What can be represented by coordinates x and y?
You could show the y-axis by distance and the x-axis by time.
