The function p(x) = 6x2 + 48x written in vertex form is p(x) = 6(x + 4)2 – 96. Which statements are true about the graph of p? Check all that apply. The axis of symmetry is the line x = –4.The graph is narrower than the graph of f(x) = x2.The parabola has a maximum.The parabola opens down.The value of k is –96, so there is a vertical shift down 96 units.
–8–448
–128–1616128
down 4left 4right 4up 4
down 128left 128right 128up 128
What is f(x) = 8x2 + 4x written in vertex form?




Which statement is true concerning the vertex and axis of symmetry of h(x)=−2x2+8x?
What is the first step in writing f(x) = 6x2 + 5 – 42x in vertex form?
Which is one of the transformations applied to the graph of f(x)=x2 to produce the graph of g(x)=2x2−28x+3?
What is the vertex of g(x) = 8x2 – 64x?
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