dudehi78 dudehi78
  • 28-09-2018
  • Mathematics
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what is the value of b so that the equation x^2+bx+5=0 will have x intercepts (-5,0) and (-1,0)

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orengutan orengutan
  • 28-09-2018
plug one intercepts: (-1)^2+(-1)b+5=0
(-5)^2+(-5)b+5=0
simplify: 6-b=0
30-5b=0
solve for b: 6=b
30/5=b
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