`y=x^2-a`
In the equation above a is a positive constant and the graph of the equation in the xy-plane is a parabola. Which of the following is an equivalent form of the equation?

y=-(x-3)^2+a In the equation above, a is a constant. The graph of the equation in the xy-plane is a parabola. Which of the following is true about the parabola?

The graph of the function f in the xy-plane above is a parabola. Which of the following defines f ?

y=a(x-2)(x+4) In the quadratic equation above, a is a nonzero constant. The graph of the equation in the xy-plane is a parabola with vertex (c,d) . Which of the following is equal to d ?

xy((x)/(y)-y) Which of the following is equivalent to the expression above?

y=x^2+16x+28 The equation above represents the graph of a parabola in the xy-plane. Which of the following represents an equivalent form of the equation that includes the minimum value of y as a constant?

Which of the following is an equation of line in the xy -plane above?

Which of the following is an equation of line A in the xy-plane above

Which of the following could be the equation of the graph above?

Which of the following could be the equation of the graph above?