Find the vertex of the graph of the quadratic function.f(x) = -x2 - 10x + 9
A. (5, -16)
B. (-10, 9)
C. (-5, 34)
D. (5, -66)
Answer: C
Mathematics
You might also like to view...
Find the limit.
- 
A. 8 B. 1 C. 4 D. does not exist
Mathematics
Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.csc (?)
A. -1 B. 0 C. 1 D. undefined
Mathematics
Solve the problem.Two pipes can be used to fill a pool. Working together, the two pipes can fill the pool in 
The larger pipe can fill the pool in 4 hours less time than the smaller pipe can alone. Find the time to the nearest tenth of an hour it takes for the smaller pipe working alone to fill the pool.
A. 8.7 hr B. 4.7 hr C. 4.6 hr D. 8.6 hr
Mathematics
Graph the system of inequalities. Shade the region that represents the solution set.x2 + y2? 16x + y? -2
A. 
B. 
C. 
D. 
Mathematics