anonymous
  • anonymous
Is the following equation always true, sometimes true, or never true? 1) x + x = 2x 2) x times x = 2x 3) x^2 = 9 (sometimes?)
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
x+x=2x
anonymous
  • anonymous
x times x = x sqaured
anonymous
  • anonymous
*squared

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anonymous
  • anonymous
Never true!
anonymous
  • anonymous
1 and 2 are always true but 3 is sometimes
anonymous
  • anonymous
IT DEPENDS UPON THE CONDITION WHEREVER IT IS GIVEN OR NEEDED. BTW THE FIRST ONE IS ALWAYS CORRECT AS I REMMEMBER.
PaxPolaris
  • PaxPolaris
1) \(x + x = 2x\) always 2) \(x \times x = 2x\) sometimes ... when \(x=2\) 3) \(x^2 = 9\) sometimes ... when \(x=3\), or \(x=-3\)
anonymous
  • anonymous
@PaxPolaris IS RIGHT.

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