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What is a graph made of only distinct points?
Scatter plot
-2x plus y equals 5?
-2x + y = 5 is a line and can have an infinite number of answers.if x=0 then y=5if x=1 then y=7If you graph these two points then draw a line through them you will have a graph of the points made of pairs of numbers that would make this statement true.
What is a graph made up of connected lines or curves?
Its called a line graph
Why is plotting a graph important for laboratory?
A simple method of averaging results is to draw a straight line graph and determine its slope and intercept. Every 'point' plotted on the graph has two coordinates. Since each coordinate is obtained as a result of some measurement you've made, it'll have a corresponding "uncertainity". The scale chosen for the axes of the graph must be such that these uncertainities can be shown as an 'error bar' on the graph. Each 'point' in general have an error bar parallel to the x-axis and y-axis. The scales chosen for axes must show up the smallest error bar associated with the particular points. If the scale becomes too small, the error bars will shrink to points and the accuracy of the measurements will be wasted. On the other hand, if the scale is too large, the error will be larger and the scattered points will make the graph confusing. The importance of drawing a graph in an experiment is to give a geometric representation about a data set which was taken, which will be well clear than a table of data.
How do you label y and x axis on a graph?
I remember it this way:X is a cross because it goes across,Y is a y because it points to the sky!http://www.business-analysis-made-easy.com/image-files/xy-axis.gif
