EulahYuki EulahYuki
  • 10-06-2015
  • Mathematics
contestada


The roots of the equation 2x2 - 8x = 0 are
(1) -2 and 2 (3) 0 and -4
(2) 0, -2, and 2 (4) 0 and 4

Respuesta :

Panoyin
Panoyin Panoyin
  • 14-06-2015
      2x² - 8x = 0
2x(x) - 2x(4) = 0
      2x(x - 4) = 0
2x = 0    U    x - 4 = 0
 2     2             + 4 + 4
  x = 0                x = 4

The answer is (4).
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