anaguzman anaguzman

14-03-2017
Mathematics

contestada

Find the axis of symmetry and vertex.
y=x^2-8x-7
Select one:
a. x = 8; (8,-23)
b. y = 2; (2, -17)
c. x = 4; (4, -23)

Respuesta :

20-03-2017

dy/dx=2x-8, 2x-8=0, x=4

y(4)=16-32-7=-23

(4, -23)

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