Equation of a parabola with vertex at (2, -1) is
y = a(x - 2)^2 - 1
Using the given point: -3 = a(4 - 2)^2 - 1
-2 = a(2)^2
4a = -2
a = -1/2
Therefore, required equation is
y = -1/2(x - 2)^2 - 1
y = -1/2(x^2 - 4x + 4) - 1
y = -1/2x^2 + 2x - 2 - 1
y = -1/2x^2 + 2x - 3
Answer:
12pq
Step-by-step explanation:
i dont know tbh but i try my best to help out now anyways
17 miles / 5 mph = 3.4 hours
22miles / 7 mph = 3.14 hours
No would arrive before yes
Answer:
idk for sure but id say 10x
Step-by-step explanation:
Answer:
187
Step-by-step explanation:
