Answer:
the vertex is (-7,-90)
the focus is ( -7, -359/4)= (-7,-89.75)
semi-axis length; 1/4=0.25
focal parameter: 1/2=0.5
eccentricity;1
directrix: y=-361/4
Step-by-step explanation:
(negative square root two)/2, (negative square root two)/2
Answer:
t is common practise to label the vertices of a triangle with capital letters
Answer:

= 7.071067812
Step-by-step explanation:
hope this helps