Find the root. Assume that all variables represent positive numbers.
A. 100x2
B. 10x2
C. 31x2
D. Not a real number
Answer: B
You might also like to view...
Provide an appropriate response.Solve the equation: x = (-3) + 7
A. x = -4 B. x = 4 C. x = 10 D. x = -10
Solve the problem.The height h of a ball thrown is given by 
, where x is the horizontal distance traveled and both measurements are in feet. At what horizontal distances will the height of the ball be more than 
(Round distances to the nearest tenth of a foot, if necessary.)
A. 5.9 ft < x < 25 ft B. 0 ft < x < 19.1 ft C. 0 ft < x < 5.9 ft or 19.1 ft < x < 25 ft D. 5.9 ft < x < 19.1 ft
Write the inequality using interval notation. Graph the inequality.x ? 2
A. [2, ?)
B. (2, ?)
C. (-?, 2]
D. (-?, 2)
Solve the problem.Find k if x = 1 is a solution of the equation kx2 + x - 5 = 0.
A. k = -4 B. k = -6 C. k = 4 D. k = 6