The figure above shows the graph of y=(x+4)(x+a)(x+b) in the xy plane. Which of the following statements must be true?
  1. a=b
  2. a>0
  3. b<4
A)
B)
C)
D)

 


     

Comments (2)

I got the question wrong. I have a question regarding that one… Why did you consider a and b negative while considering Example 2 page 142 a,b, and c ( PWN Math Study Guide 4th edition) positive?

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