Graph the equation by plotting points.x = y2 + 4
A. 
B. 
C. 
D. 
Answer: B
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Perform the indicated operation and, if possible, simplify.
+ 
A. 
B. 
C. 
D. 
Find the solution set for the system by graphing both of the system's equations in the same rectangular coordinate system and finding points of intersection.x = (y + 2)2 - 1(x - 2)2 + (y + 2)2 = 1 
A. {(-1, -2), (2, -2)} B. {(2, -2)} C. {(-1, -2)} D. ?
Graph the quadratic equation. Identify the vertex and the intercept points with their coordinates.y = x2 - 1
A. vertex: (0, -1)
x-intercepts: none
y-intercept: (0, -1)
B. vertex: (0, 1)
x-intercepts: none
y-intercept: (0, 1)
C. vertex: (-1, 0)
x-intercept: (-1, 0)
y-intercept: (0, 1)
D. vertex: (0, -1)
x-intercepts: (-1, 0) and (1, 0)
y-intercept: (0, -1)
Solve the problem.For what values of ? (0 ? ? < 2?) do maximum r-values occur on the graph of the polar equation 
Note that a maximum r-value occurs at a point that is the maximum distance from the pole.
A. 
, 
, 
, 
, 
, 
, 
, 
B. 
, 
, 
, 
C. 0, 
, ?, 
D. 0, 
, 
, 
, ?, 
, 
, 