\( \frac { ( x + 1 ) ^ { 2 } } { 25 } + \frac { ( y - 2 ) ^ { 2 } } { 16 } = 1 \)

4) Find the vertex, directrix and graph the parabola \( (x-2)^{2}=-20(y-1) \)

An automobile lamp's reflector is to be 4 inches across and 2 inches deep. Find an equation that models the reflector and indicate how far the bulb be from the bottom.

If the diameter of a circle is doubled, how does it affect the circumference?

Graph the line containing the given pair of points and find the slope. \( (-6,0),(-7,-4) \)

3) Find the equation of the parabola that has its focus at \( (-4,1) \) and its directrix \( x=0 \)