Determine algebraically whether the graph is symmetric with respect to the x-axis, the y-axis, and the origin.x2 + y2 = 9
A. y-axis only
B. x-axis, y-axis, origin
C. Origin only
D. x-axis only
Answer: B
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Simplify the given algebraic expression.xn+1 + xn + ... + x3 + x2 + x + 1
A. 
B. 
C. 
D. None of the above
Factor by substitution.21( 3 - p)2 - 13( 3 - p) + 2
A. ( 19 - 7p)( 8 - 3p) B. ( 19 - 7p)( 8 + 3p) C. ( 19 + 7p)( 8 + 3p) D. ( 19 + 7p)( 8 - 3p)
Solve the problem.If one earthquake is 199,526 times as intense as another, what is the difference in the Richter scale readings of the two earthquakes? The Richter Scale reading is given by 
where x is the intensity of the earthquake, and I0 is the intensity of a small, measurable earthquake. (Consider 
for this problem.)
A. 12.2 B. 5.3 C. 0.53 D. 4.3
Solve the equation by completing the square.x2 + 8x - 24 = 0
A. {2
± 4}
B. { ± 2
}
C. {-4 ± 2
}
D. {-4 ± 2
}