Solve the equation.x(x - 7) = 30
A. -3, -10
B. 3, -10
C. 3, 10
D. -3, 10
Answer: D
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Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. 6x - 6y = 8412x - 12y = 82
A. (7, -5); consistent and independent B. inconsistent C. (7, -7); consistent and independent D. (-7, -5); consistent and independent
Solve by using the simplex method.Maximize3x1+ 4x2+ 2x3subject tox1?+x3?? 16?2x2+ x3? 203x1+ 6x2? 36and x1 ? 0, x2 ? 0, x3 ? 0
A. Maximum = 58 when x1 = 6, x2 = 5, and x3 = 10 B. Maximum = 48 when x1 = 4, x2 = 4, and x3 = 10 C. Maximum = 52 when x1 = 4, x2 = 4, and x3 = 12 D. Maximum = 64 when x1 = 8, x2 = 6, and x3 = 8
Solve the problem.An object is traveling around a circle with a radius of 10 centimeters. If in 20 seconds a central angle of 
radian is swept out, what is the linear speed of the object?
A. 
cm/sec
B. 6 radians/sec
C. 
radians/sec
D. 6 cm/sec
Find the limit as x approaches c of the average rate of change of the function from c to x.c = 3;f(x) = 5x + 3
A. -5 B. -3 C. 3 D. 5