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Evaluate the algebraic expressions with no decimal answer

  1.  N^2 - 25    a)when n=-10    b)when n= -5    c)when n=1/2    d)when n=9

 

2.  (-7d+14)/2    a)when d=2   b)when d=-2    c)when d=6/7    d)when d=4

 

3. 2x^-2 - x      a)when x=2      b)when x=-1     c)when x=1/4

 Jul 15, 2017
 #1
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We are not here to do all your homework for you.

Don't be so lazy!

 Jul 16, 2017

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