For the given quadratic equation, determine whether the parabola opens up or down, find the vertex of the parabola, and find the axis of symmetry.y = -x2 - 8x - 3
A. down; (-4, 13); x = -4
B. up; (4, -19); x = 4
C. up; (4, -51); x = 4
D. down: (-8, -3); x = -8
Answer: A
You might also like to view...
Solve the problem.The following graph
A. has a single Hamilton circuit (and its mirror-image circuit). B. has no Hamilton circuit. C. has several Hamilton circuits, none of which contain the edge BC. D. has several Hamilton circuits, all of which contain the edge AD. E. none of these
Find the magnitude of the indicated vector.If u = -2i + 7j and v = 0i + 13j, find the magnitude of v - u.
A. 2
B. 3
C. 
D. 2
Solve the problem.The cost of manufacturing clocks is given by c = 9
, where c is the total cost and n is the number produced. What is c when no clocks are produced?
A. $225 B. $9 C. $45 D. $15
Find the area of the parallelogram.The base is 19.4 m and the height is 21.5 m.
A. 208.55 m2 B. 81.8 m2 C. 417.1 m2 D. 40.9 m2