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6 November, 07:26

How does the graph of y = 2 x - 1 compare to the graph of y = 2 x? y = 2x - 1 is translated left 1 unit. y = 2x - 1 is translated down 1 unit. y = 2x - 1 is translated right 1 unit. y = 2x - 1 is translated up 1 unit.

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  1. 6 November, 08:52
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    The difference between the two given equations is that 1 is subtracted from 2x in the first equation while this is missing from the second. If we are going to add 1 to both sides of the first equation, we get the answer of,

    y + 1 = 2x - 1 + 1

    y + 1 = 2x

    As we can see, the equation above is similar to y = 2x except that + 1 is added to the y value. Thus, your graph is translated 1 unit up.
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