Rewrite the parabola in standard form and use this formula to find the vertex (h,k).
= (2,-1)
Answer:
x = -4
Step-by-step explanation:
f(x) = x² - 16
This is the difference of squares
which factors as
f(x) = (x - 4)(x + 4)
Therefor the negative zero is
x = -4
Answer:
The amount he must invest is $93200
Step-by-step explanation:
We are given
Amount is $400000
A=400000
interest rate is 6%
r=0.06
t=80-55=25 years
P is amount to be invested
we can use formula

now, we can plug values



Answer:
dfsdfsdfsdfsdfsdf
Step-by-step explanation: