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MathematicsMathematics
29 March, 15:50

Select all of the following equation (s) that are quadratic in form.

x4 - 6x2 - 27 = 0

3x4 = 2x

2 (x + 5) 4 + 2x2 + 5 = 0

6 (2x + 4) 2 = (2x + 4) + 2

6x4 = - x2 + 5

8x4 + 2x2 - 4x = 0

+2
Answers (2)
  1. 29 March, 16:00
    0
    The answer is the first, fourth, and fifth equations
  2. 29 March, 16:12
    0
    An equation is quadratic if the greatest power of the coefficients is 2. Hence, for the given equations, only 6 (2x + 4) 2 = (2x + 4) + 2 is quadratic in nature.
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Home » Mathematics » Select all of the following equation (s) that are quadratic in form. x4 - 6x2 - 27 = 0 3x4 = 2x 2 (x + 5) 4 + 2x2 + 5 = 0 6 (2x + 4) 2 = (2x + 4) + 2 6x4 = - x2 + 5 8x4 + 2x2 - 4x = 0
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