Find algebraically equation of the axis of symmetry in the coordinates of the vertex of the function f(x)= 2x^2-9

asked Jun 3, 2019 147k views

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2x^2 - 9 is symmetrical about the y axis

the vertrex is at (0,9)

axis of symmetry is x = 0

Ader answered Jun 6, 2019

by Ader

8.6k points

2 votes

the vertex is (0,-9)
the axis of symmetry is the y-axis and its equation is: x=0

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