Sketching a graph is drawing an approximation of the graph. The shape of the graph must be correct including the correct number of intercepts with the axes and any asymptotes. You are usually expected to label these.
However, you are not required to ensure that the scales on the axes are accurate or other points on the graph are accurately marked.
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A sketch of a graph is an sketch of how the graph looks. It is not exact just an estimate.
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The best way to sketch a graph of the function y -2x 2-4x-6 is to first get the values of Y and X and then use the values to sketch the graph.
i need to know how to function rule and a sketch of a graph
A sketch is a hand drawn diagram, graph or chart. The 1/3 refers to the size it needs to be. So your sketch has to fill one third of a page (usually of a4).
You can graph X -4 2 and slope 3 2 by first finding the values of X and Y and then using those values to sketch your graph.