We first need to write the function in standard form.
y = -x^2 - 7x + 18
To find the axis of symmetry, we do -b/2a
The a and b are the coefficients of the x values.
So a would be -1 since -x is same as -1x
Follow that, b would be -7.
Then just plug the values in. - (-7)/2(-1) = -7/2
The axis of symmetry is -7/2
Answer:
The bird leaves its nest and travels 20 miles per hour downwind for 3 hours. On the return trip, the bird travels 4 miles per hour slower and has 6 miles left after 7 hours.
Explanation:
20 times 3 equals 60 = 6 times 4 times 2 equals 60(6 times 8
Answer:
it had a negative effect. Native American populations decreased drastically
Explanation:
Native Americans were not immune to the diseases europeans brought from the old world
Is it anh?
hope this helps