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18 January, 00:39

From the equation, find the axis of symmetry of the parabola.

y = 3x2 - 12x+11

a. x = - 2

b. x = 2

c. x = 1

d. x = - 1

+2
Answers (1)
  1. 18 January, 01:35
    0
    B. x=2

    Step-by-step explanation:

    The formula to find the axis of symmetry is - b/2a.

    So, in this case, we find our b and a, which are 3 and - 12.

    Plug them into the formula.

    - (-12) / 2 (3)

    The negative sign times another negative makes it into a positive, now we have a positive 12 and then 2 multiplied by 3 equals 6.

    Our new equation is 12/6.

    Then, simply solve it, 12 divided by 6 equals 2.

    Therefore, B would be your answer, x=2.
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