joanondachi490 joanondachi490
  • 24-07-2018
  • Mathematics
contestada

y(y + 4)(y - 6) = 0 is a quadratic equation.


True

False

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LivinLifeStyle
LivinLifeStyle LivinLifeStyle
  • 24-07-2018
[tex]y(y + 4)(y - 6) = 0[/tex]
False
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DeanR
DeanR DeanR
  • 24-07-2018

FALSE


A quadratic equation would be a polynomial of degree two. That means the maximum power of the variable is two.


This one has y cubed, so is a cubic equation. As it's factored we can read off the three roots: y=0, y=-4, y=6.


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