Answer:
y = -3
Step-by-step explanation:
the length from directrix to vertex is equal to the length from focus to the vertex.
Answer:
u=2 root 2
Step-by-step explanation:
All 45 45 90 degree triangles follow the same pattern
It is 20 because the 5 is in the ones place so the 2 has to be in the 10 place which makes it 20
He is wrong because as long as they have the same terms/ variables behind the number it doesn’t matter about if it is positive or negative