jazzmannix001 jazzmannix001
  • 23-03-2018
  • Mathematics
contestada

the rectangle shown has an area of (y^2+8y+15)m^2 what is the
width of the rectangle

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sqdancefan
sqdancefan sqdancefan
  • 26-03-2018
If the dimensions are "nice" factors of the quadratic, and if y > -3, we have
.. area = (y +3)(y +5)

y+5 is greater than y +3, so we take the width to be ....
.. width = y+3
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