Answer:

Step-by-step explanation:
Rewrite the quadratic using the method of completing the square:

From this form it is immediately clear that the vertex of the parabola is at x=1 and its y-intercept at -6.
5/6 divided by 3/7?
simple mi amigo!~
7* 5= 35
3*6= 18
= 35/18
= 1 17/18