To find kilometers using latitude and longitude:
distlon = lon2 - lon1 = 133-161 = -23
distlat = lat2 - lat1 = 54-48 = 6
a = (sin(distlat/2))^2 + cos(lat1) * cos(lat2) * (sin(distlon/2))^2
a = (sin(6/2)^2 + cos(48)*cos(54)* sin(-23/2)^2
c = 2 * arctan2( sqroot(a), sqroot(1-a) )
d = R * c (where R is the radius of the Earth, 6373 km's)
d = 2052 km's
April 30th to May 22nd is 23 days.
23 days x 24 hours per day = 552 hours.
Rate of travel = 2052 / 552 = 3.717 km per hour ( round answer as needed.)
Point slope form is y = mx + b
yor expression is y=2/3 x + b
Answer:
ax² + bx + c
Step-by-step explanation:
The form of a quadratic equation that is easy to use when finding the maximum or minimum value of the function is ax² + bx + c.
Suppose a quadratic function:
f(x) = 2x² - 8x + 9
Use ( -b/2a , f(-b/2a) ).
-b/2a
a = 2
b = -8
-(-8)/2(2)
8/4
= 2
f(2) = 2(2)² - 8(2) + 9
f(2) = 2(4) - 8(2) + 9
f(2) = 8 - 16 + 9
f(2) = 1
The minimum value of this quadratic function is (2, 1).
It represents a minimum value because a > 0.
