Solve the problem.If a circle of radius 5 is made to roll along the x-axis, what is the equation for the path of the center of the circle?
A. y = 0
B. x = 5
C. y = 5
D. y = 10
Answer: C
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Solve the system by graphing. Check the coordinates of the intersection point in both equations.y = x - 4y = 3x - 6
A. {(0, 3)} B. {(1, -3)} C. {(-1, -5)} D. {(0, -3)}
+ 
A. 
B. 
C. 
D. 
Perform the indicated operation and express in lowest terms.
+ 
A. 
B. 
C. 
D. - 
The primal problem and the final tableau in the solution of the primal problem are given. Use the final tableau to solve the dual problem.Primal problem:Maximize x1 + 4x2 + 3x3subject to x1 + 2x2 + x3 ? 24 3x2 + 4x3 ? 30and x1 ? 0, x2 ? 0, x3 ? 0Final tableau in solution to primal problem: x1 x2 x3 x4 x5 M 
A. Maximum = 44 when y1 = 0, y2 = 0, and y3 = 
B. Minimum = 44 when y1 = 
, y2 = 1, and y3 = 
C. Minimum = 44 when y1 = 4 and y2 = 10
D. Minimum = 44 when y1 = 1 and y2 = 