Solve the inequality and graph the solution set.|z + 4| ? 0
A. [-4, 4]
B. [-4, ?)
C. (-?, ?)
D. (-?, -4) ? (-4, ?)
Answer: C
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Find a cartesian equation of the following curve, assuming the center is at the origin. Use a graphing utility to check your work.A hyperbola with vertices (0, ±2) and eccentricity 2
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Determine if each statement is true if
(i) PQRS is a rectangle
(ii) PQRS is a square
In each case, if true, explain why.
(a) PR ? SQ
(b) ?STP ? ?QTR
(c) ?STP = 90°
(d) ?QPT ? ?SRT
Find the coordinates of the vertex for the horizontal parabola defined by the given equation.x = (y + 5)2 - 2
A. (-2, -5) B. (-2, 5) C. (5, -2) D. (-5, -2)
In the form 
, find the equation of the line that is the perpendicular-bisector of the line segment that joins (0,0) and (2a,2b).
A. 
B. 
C. 
D. 