Aos= -b/2a so plunin your numbers and you'll get the AOS so you can find the vertex
Speed = distance / time
given:
distance = 225 km and time = 2.5 hours
so
speed = 225 / 2.5 = 90 km per hour
Answer:
Speed = 90 km per hour
The answer is (3, -5). I hope this helped
B. They are both proportionate, but dont have the same dimensions as one another
