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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.
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
just add all the numbers I suppose and the number you get is the number you graph the solution. I suppose.
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).