savannahjade12oudym9 savannahjade12oudym9
  • 08-08-2017
  • Mathematics
contestada

x*2-6x-8
Find the vertex
Find the X intercept
Find the y intercept
Graph

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jbmow
jbmow jbmow
  • 08-08-2017
x^2 -6x -8 is a parabola in ax^2 + bx + c form
The axis of symmetry is -b/2a = 3
The vertex is (3,f(3)) = (3,-17)
The x-intercept is f(x)= 0 where x=-1.123, 7.123
Graphing:  it opens upwards

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