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 please i need this

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Using the rational root theorem, list the possible zeros: here is an example: Using p/q list all the possible zeros of the following equation: 4x^2 – 6x - 5 = 0. Hint: there are 8 correct answers. Im a bit confused because it says theres 8 correct answers but ive only found 5 any help would lovely

 Apr 8, 2022

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 #1
avatar+23252 
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The divisors of 5 are 1 and 5. The divisors of 4 are 1, 2, and 4.

 

Including both the positive and negative possibilities:  1/1,  -1/1,  5/1,  -5/1,  1/2,  -1/2,  5/2,  -5/2,  1/4,  -1/4,  5/4,  -5/4

 

There are 12 possibilities.

 Apr 8, 2022
 #2
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0

Thanks!

NezuK12  Apr 8, 2022

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