Solve the quadratic inequality if possible. Round your answer to the nearest tenth, if necessary.x2 - 8x > 9
A. approximately x < -1.0 or x > 9.0
B. All real numbers satisfy this inequality.
C. No real number satisfies this inequality.
D. approximately -1.0 < x < 9.0
Answer: A
Mathematics
You might also like to view...
The following figure has volume as indicated. Find the value of x.V = 128
h = 6Base is a rectangle.(a pyramid)
A. 
B. 8
C. 5
D. 4
Mathematics
Solve the problem.Find a unit vector perpendicular to plane PQR determined by the points 
and 
A. ± 
B. ± 
C. ± 
D. ± 
Mathematics
Find the area of the triangle having the given measurements. Round to the nearest square unit.A = 27°, b = 14 inches, c = 5 inches
A. 33 square inches B. 14 square inches C. 31 square inches D. 16 square inches
Mathematics
Simplify the complex fraction.
A. 
B. 16
C. 1
D. 
Mathematics