Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 + 4x - 2y - 2 = 0
A. a. center = (-2, 1); radius = 
b. (-2 + 
, 0), (-2 - 
, 0), (0, 1 + 
), (0, 1 - 
)
B. a. center = (-2, -1); radius = 
b. (-2 + 2
, 0), (-2 - 2
, 0), (0, 1 + 
), (0, 1 - 
)
C. a. center = (-2, 1); radius = 
b. (-2 + 
, 0), (0, 1 + 
)
D. a. center = (2, -1); radius = 
b. (-2 + 
, 0), (-2 - 
, 0), (0, 1 + 
), (0, 1 - 
)
Answer: A
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Find the vertices, foci, and asymptotes for the hyperbola. Graph the hyperbola.144y2 - 100x2 = 14,400
A. Vertices at (-12, 0) and (12, 0);
Foci at (-2
, 0) and (2
, 0);
Asymptotes: y = - 
x and y = 
x
B. Vertices at (0, -10) and (0, 10);
Foci at (0, -2
) and (0, 2
);
Asymptotes: y = - 
x and y = 
x
C. Vertices at (0, -10) and (0, 10);
Foci at (-2
, 0) and (2
, 0);
Asymptotes: y = - 
x and y = 
x
D. Vertices at (-12, 0) and (12, 0);
Foci at (-10, 0) and (10, 0);
Asymptotes: y = - 
x and y = 
x
Solve the inequality. Write the solution set in interval notation.|7 - x| ? 9
A. [-2, ?) B. [-2, 16] C. [16, ?) D. (-?, -2] ? [16, ?)
Write the equation that results in the desired transformation.The absolute value function, vertically stretched by a factor of 4.9 and reflected across the x-axis
A. y = -4.9
B. y = -
C. y = 4.9
D. y = 4.9
Use the figure to solve the inequality.f(x) < 0
A. {x|x ? -2 or x ? 4}; (-?, -2] or [4, ?) B. {x|-2 ? x ? 4}; [-2, 4] C. {x|x < -2 or x > 4}; (-?, -2) or (4, ?) D. {x|-2 < x < 4}; (-2, 4)