Solve the equation.
= 1 + 
A. ?
B. {6, 10}
C. {-2, 4}
D. {-12}
Answer: B
Mathematics
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Find the equation of the parabola whose vertex and focus are shown.
A. (y + 2)2 = 20(x - 1) B. (x + 2)2 = -20(y - 1) C. (y + 2)2 = -20(x - 1) D. (x + 2)2 = 20(y - 1)
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Combine like terms.5x + 14 + x + 4xy
A. 6x + 4xy + 14 B. 5x + 4xy + 14 C. 10xy + 14 D. 10x + 4y + 14
Mathematics
Graph the level curves in the first octant at heights of 
and 
for the given equation.x2+ y2= 16 
A. 
B. 
C. 
D. 
Mathematics
Find the value of the expression.|18|
A. 0 B. -18 C. ±18 D. 18
Mathematics