Solve the inequality.x2 - 81 ? 0
A. (-?, -9] or [9, ?)
B. [-81, 81]
C. [-9, 9]
D. (-?, -81] or [81, ?)
Answer: C
Mathematics
You might also like to view...
Find the midpoint of the segment with the given endpoints.
and 
A. 
B. 
C. 
D. 
Mathematics
Determine whether the point is a solution to the given inequality.y > 
x; (0, 0)
A. (0, 0) is not a solution B. (0, 0) is a solution
Mathematics
Multiply or divide.32 ÷ (-4)
A. 8 B. -8 C. -9 D. -7
Mathematics
Write the standard form of the equation of the parabola with focus 
and its vertex at 
.
A. 
B. 
C. 
D. 
E. 
Mathematics