tylerkay2003
tylerkay2003 tylerkay2003
  • 22-02-2018
  • Mathematics
contestada

find the smallest zero for the function h(x)= 4x2-8x-60

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mathmate
mathmate mathmate
  • 22-02-2018
h(x)=4(x^2-2x-15)=4(x-5)(x+3) 
For h(x) to vanish, (x-5)=0 or (x+3)=0
=>
The zeroes are x=5 OR x=-3.
The smaller zero is therefore -3.
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