Find the vertex of the parabola.y = x2 - 8 x - 2
A. (-4, -18)
B. (-4, -21)
C. (4, -18)
D. (4, -21)
Answer: C
You might also like to view...
Evaluate the sum. Round to two decimal places, if necessary. 
A. 0.26 B. 62 C. 0.62 D. -0.82
Simplify the expression.(1 - 
)(6
+ 2)
A. 6
+ 2 - 30
- 2
B. 6
+ 2 - 6
- 2
C. 6
- 2 - 6
- 
D. 6
+ 2 - 
+ 2
Given matrix A, find the indicated minor or cofactor.Find the cofactor A12.A = 
A. 6 B. -1 C. 3 D. 1
A workshop of Peter's Potters makes vases and pitchers. Profit on a vase is $3, profit on a pitcher is $4. Each vase requires 
hour of labor, each pitcher requires 1 hour of labor. Each item requires 1 unit of time in the kiln. Labor is limited to 4 hours per day and kiln time is limited to 6 units per day. Initial and final tableaux are shown in finding the production plan that will maximize profits: (x = the number of vases and y = the number of pitchers made per day).
?
/>
?
(initial)(final)How much surplus kiln time is available when the optimal plan is in effect?
A. 2 units
B. 1 unit
C. 4 units
D. 0 units
E. none of these