OpenStudy (anonymous):

Determine the direction in which the parabola opens, and the vertex. y2 = + 6x + 14 A. Opens upward; ( -3, 5) B. Opens upward; ( 3, 5) C. Opens to the right; ( 5, 3) D. Opens to the right; ( 5, -3)

6 years ago
OpenStudy (anonymous):

d is the answer

6 years ago
OpenStudy (anonymous):

could u explain why? i graphed it and know it opens to the right, but how do i get the vertex?

6 years ago
OpenStudy (anonymous):

see vertex is the minimum point ..if you know how to calculate the minima

6 years ago
OpenStudy (anonymous):

or just see the link http://www.uiowa.edu/~examserv/mathmatters/tutorial_quiz/geometry/findingvertexofparabola.html

6 years ago
OpenStudy (anonymous):

ok thank you!

6 years ago
OpenStudy (anonymous):

you r welcome

6 years ago