Solve the inequality, and graph the solution set.x2 - 2x ? 8
A. [-2, 4]
B. (-?, -4] ? [2, ?)
C. [-4, 2]
D. (-4, 2)
Answer: A
Mathematics
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Write the given number in the situation as an integer.The height of the mountain was 11,091 feet.
A. 11,091 feet B. -11,091 feet
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Simplify the expression. Assume that all variables are positive when they appear.
A. - 
B. -9
C. - 
D. -20
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Find the vertices of the ellipse.25x2 + y2 - 450x + 2000 = 0
A. (9, 2
), (9, -2
)
B. (5, 9), (5, -9)
C. (5, 4
), (5, -2
)
D. (9, 5), (9, -5)
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Find the slope of the line passing through the given pair of points.(5, 4) and (3, 8)
A. - 
B. 2
C. - 2
D. 
Mathematics