What is mean of 7,9,4,4,7,9,6,4,
Answers (2)
Find the focus and the directrix of the parabola with the equation y = - 1∕2 (x - 8) 2 - 6. A) Focus = (-8,-61∕2), directrix is y = - 51∕2 B) Focus = (-8,-51∕2), directrix is y = - 61∕2 C) Focus = (8,-61∕2), directrix is y = - 51∕2 D) Focus =
Answers (1)