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neriah30
30.06.2019 •
Mathematics
Aperiod of 20 years is called a score. the statue of liberty was dedicated in 1886. about how many scores ago was that?
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Ответ:
seven scores i think LOL
Step-by-step explanation:
Ответ:
The way I'd do it..
vertex (-b/2a , y)
-b/2a = -2
plug in this value for x to find the y coordinate.
-4 +8 -3 = 1
vertex (-2, 1)
the negative in front of the x^2 flips the parabola upside down
So you graph an upside down parabola at (-2,1). It's symmetrical, input easy to do points if needed like x=0 , x=-4