Determine if the given polar coordinates represent the same point.(r, ?), (-r, ? + ?)
A. Yes
B. No
Answer: A
Mathematics
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Determine if each ordered pair is a solution to the given system of inequalities in two variables.xy = 54x2 + y2 = 117(i) (6, -9); (ii) (-9, -6)
A. (i) Yes; (ii) No B. (i) No; (ii) Yes C. (i) No; (ii) No D. (i) Yes; (ii) Yes
Mathematics
Simplify the expression.
1/2
A. 4
B. 
C. -4
D. 
Mathematics
Find an equation of the parabola described.Focus at (5, 0); vertex at (0, 0)
A. y = 20x2 B. x2 = 20y C. y2 = 20x D. x = 20y2
Mathematics
Find the difference.[-21.3 + (16.3 - 3.2)] - 2.8
A. -5.4 B. 31.6 C. -38 D. -11
Mathematics