Find the vertex, the focus, and the directrix of the parabola.y = x2 + 16x + 65

A. V: (-8, 1); F  ; D: y = 
B. V: (-8, 1); F  ; D: x = 
C. V: (-8, 1); F (-8, 2); D: y = 0
D. V: (-8, 1); F  ; D: y = 


Answer: A

Mathematics

You might also like to view...

Solve the problem.Find the odds for drawing an jack when a card is drawn at random from a normal deck of 52 playing cards.

A. 12 to 1 B. 13 to 1 C. 1 to 12 D. 1 to 13

Mathematics

Simplify the complex fraction.

A.
B.
C.
D.

Mathematics

Identify the points in the graph for the ordered pairs. (-5, -4), (0, -3)

A. A and G B. A and J C. G and I D. I and J

Mathematics

Solve the problem.The information in the chart below gives the salary of a person for the stated years. Model the data with a linear function using the points (1, 24,500) and  Then use this function to predict the salary for the year 2006.  

A. $37,900 B. $37,880 C. $37,940 D. $37,920

Mathematics