Simplify

An Advanced Mathematics Lesson Starter Of The Day

Simplify this algebraic fraction

\( \frac{2^{x+1}}{2^{x-1}} \)


Topics: Starter

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    Answer

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    "I did this a different way by subtracting the indices. I did
    2^(x+1)-(x-1). Then multiplying out the brackets we get 2^(x+1-x+1). The x's disappear and we are left with 2^2=4."

    Pauline Johnson, Preston, Lancashire
    Wednesday, November 7, 2018

     

    How did you use this starter? Can you suggest how teachers could present or develop this resource? Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for Maths teachers anywhere in the world. Click here to enter your comments.



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