Find the absolute value of the complex number. Round your answer to two decimal places, if necessary.1 + 2i
A. 2.41
B. 1.73
C. 2.24
D. 5
Answer: C
Mathematics
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Find the center and radius of the circle and sketch its graph.x2 + (y - 6)2 = 4
A. (h, k) = (6, 0), r = 2
B. (h, k) = (0, 6), r = 2
C. (h, k) = (-6, 0), r = 2
D. (h, k) = (0, -6), r = 2
Mathematics
Solve the equation.12p4 + 20p2 = 31p3
A. 
B. 
C. 
D. {0}
Mathematics
Solve the equation.3x + 24 + 4x = -20 - x - 28
A. -3 B. 3 C. -9 D. 9
Mathematics
Write an equation for the quadratic function whose graph contains the given vertex and point.
(Write your answer in vertex form.)
A. P(x) = (x - 3)2 - 2 B. P(x) = (x + 3)2 - 2 C. P(x) = (x - 2)2 - 3 D. P(x) = (x + 2)2 - 3
Mathematics