Question 75791: Can you show me how to graph y=log2x? The 2 should be subscripted. Can you show me how to plug in points and graph? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! This is
This says y is a log. A log is an exponent to some base. The base is 2.
You can rewrite it as
Now pick some values of y and find x.
y = 0
x = 1
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y = 1
x = 2
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y = 3
x = 8
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y = 4
x = 16
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y = -1
x = 1/2
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y = -2
x = 1/4
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you can plot these points. Note that x can never be negative
