Write the equation of a parabola with focus (3,-5) and directrix x=6
Question 3
3.
A parabola has a focus at (5, -3) and a directrix at y=7. Is (-4,-2) a point on this parabola? Justify your answer using the definition of a parabola.
Question 4
4.
Which of the following are NOT true about the parabola with the equation y=a(x-b)^{2}+c if a<0, b=0, and c>0
Question 5
5.
A parabola is defined by
Use completing the square to write the parabola in vertex form.
Question 6
6.
Graph A shows a parabola and its directrix. Suppose the vertex is shifted to the right 3 units, but the directrix stays the same. Write the equation of the new parabola.