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27 October, 12:18

Which of the following equations is an example of a quadratic equation?

y = x - 5

y = x 2 - 5

y = |6x|

y = 9

+2
Answers (2)
  1. 27 October, 12:22
    0
    y = x^2 - 5.

    Step-by-step explanation:

    A quadratic equations has a squared variable (like x^2) as its highest degree.

    So it is y = x^2 - 5.
  2. 27 October, 12:27
    0
    y^2-5. In the quadratic formula there is always an exponent.
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