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Find the zeroes of the function algebraically. Write the answer, if applicable, in fraction form. ƒ(x) = 2x2 - 3x - 20

JazzyGeeGee66  Aug 30, 2017

Best Answer 

 #1
avatar+88871 
+1

 

2x^2 -3x - 20  =  0   

 

This factors as

 

(2x + 5) (x - 4)  = 0

 

Setting both factors to 0 and solving for x gives the zeroes x = 5/2  and x  = 4

 

 

 

cool cool cool

CPhill  Aug 30, 2017
 #1
avatar+88871 
+1
Best Answer

 

2x^2 -3x - 20  =  0   

 

This factors as

 

(2x + 5) (x - 4)  = 0

 

Setting both factors to 0 and solving for x gives the zeroes x = 5/2  and x  = 4

 

 

 

cool cool cool

CPhill  Aug 30, 2017

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