Question

Find the equation of the axis of symmetry and the coorinates of the vertex of the graph of the function y=4x^2+5x-1

a.)x=-5/8;vertex:(-5/8,-5 11/16)
b.)x=5/8;vertex:(5/8,3 11/16)
c.)x=5/8;vertex:(5/8, 4 5/8)
d.)x=-5/8;vertex:(-5/8,-2 9/16)

Answer 1

the right answer is d) x = -5/8; vertex: (-5,8, -2 9/16)

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