Find the vertex, the focus, and the directrix of the parabola.y = 2x2 + 4x + 6 = 0

A. V: ; F: (-1, 12); D: x = 4
B. V: ; F: ; D: x = 
C. V: (-1, 4); F: ; D: y = 
D. V: ; F: (-1, 6); D: x = 2


Answer: C

Mathematics

You might also like to view...

Determine whether the graph is the graph of a function.

A. Not a function B. Function

Mathematics

Solve the equation by the method of your choice. Simplify irrational solutions, if possible.2x2 = 14

A. {±7}
B. {}
C. {±}
D. {±8}

Mathematics

The following comparison line graph indicates the number of vehicles sold for a seven week period by two different salespeople. Use the graph to answer the question.During what week did Pat sell the fewest number of vehicles?

A. Week 1 B. Week 3 C. Week 7 D. Week 5

Mathematics

Write a linear inequality that describes the shaded region.

A. y ? -2x - 2 B. y ? 2x - 2 C. y ? -2x + 2 D. y ? -2x + 2

Mathematics