Solve the equation.x3 - x2 = 81x - 81
A. -9, 1
B. -9, 9, -1
C. -9, 9, 1
D. 9, -1, 1
Answer: C
Mathematics
You might also like to view...
Graph the pair of parametric equations with the aid of a graphing calculator.x = 5 cos t + cos 5t, y = 5 sin t - sin 5t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Use a graphing utility to graph the equation. Use the graph to approximate the values of x that satisfy each inequality.
?
Equation:
?
Inequality:
?
A. ?
?
B. ?
C. ?
?
D.
E. ?
Mathematics
Solve the problem.For two connected gears, the relation 
= 
holds, where d is the diameter of the gear and N is the number of teeth. Find N1 if d1 = 2.5 in., d2 = 2.292 in., and N2 = 55. If necessary, round to the nearest whole tooth.
A. 70 teeth B. 120 teeth C. 7 teeth D. 60 teeth
Mathematics
Choose the best estimate from the list.- 
is approximately -3, -2, -1, - 
.
A. -3
B. - 
C. -1
D. -2
Mathematics