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kachinafenton9098
26.05.2020 •
Mathematics
Can someone help me please
Solved
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Ответ:
y = (-1/80)x^2 +2x
Step-by-step explanation:
The graph of the equation for the arch will go through the points ...
(0, 0), (160, 0), (80, 80)
We can start by making use of the zeros to write the function ...
y = a(x -0)(x -160)
To make the graph go through the point (80, 80), we must have ...
80 = a(80 -0)(80 -160) = (-80^2)a
-1/80 = a . . . . . . divide by the coefficient of "a"
So, our equation is ...
y = (-1/80)x(x -160)
y = (-1/80)x^2 +2x
Ответ:
Part A: i forgot the question but i know its the third option (c)
Part B:
Solve the original equation by solving the proportion.
The solutions are: (1,6)
Part c:
Name the extraneous solution(s) to the equation
Neither
These are for edu2020