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20-06-2019
Mathematics

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find the axis of symmerty for x y=x squared -4x-8

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wegnerkolmp2741o wegnerkolmp2741o

20-06-2019

Answer:

x=2

Step-by-step explanation:

y = x^2 -4x-8

This is in the form y = ax^2 + bx +c

The axis of symmetry, h is found by h=-b/2a

We know a = 1, b=-4

h = -(-4)/ (2*1)

=4/2

=2

The axis of symmetry is x=2

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