Find all the rational zeros of f

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Find all the rational zeros of f(x). Then solve f(x) =0. 

F(x) = x^3 -13x+12 

f(x) =0 has solutions x=____. Use commas to seperate answers as needed.  

 

Sove the following inequality.

x^3 + 8x^2 - 64x is less than or equal to 512.  
The solution set is ____.  (Type in interval notation.) 

 

Use quadratic formula to find exact solutions. 

5x^2 +6x = -9 
x=____.  (type answer in form a +bi. use a comma to seperate answers as needed.)

 

 

Reference no: EM13798233

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