`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?

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?

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 ?

The vertex of the parabola in the xy plane above is (0, c). Which of the following is true about the parabola with the equation y = −a(x − b)^2 + c ?

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?

In the xy-plane, the graph of which of the following equations is a line with a slope of 3 ?

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

The equation of the directrix of parabola 2x^(2)= 3y is _

y=x^(2)-6x+8 The equation above represents a parabola in the xy-plane. Which of the following equivalent forms of the equation displays the x-intercepts of the parabola as constants or coefficients?