SOLUTION: The number of people, y, in tens of thousands, who reported birdwatching as a hobby between 2013 and 2020 is modeled by the equation y=2x^2-16x+150, where x is the number of year

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: The number of people, y, in tens of thousands, who reported birdwatching as a hobby between 2013 and 2020 is modeled by the equation y=2x^2-16x+150, where x is the number of year      Log On


   

Question 1205749: The number of people, y, in tens of thousands, who reported birdwatching as a hobby between 2013 and 2020 is modeled by the equation y=2x^2-16x+150, where x
is the number of years since 2013. Select the years when the number of people who reported birdwatching as a hobby was 126 ten thousand.
2013
2014
2015
2016
2017
2018
2019
2020
Answer by josgarithmetic(39615) About Me  (Show Source):
You can put this solution on YOUR website!
YEAR      x VALUE
2013        0
2014        1
2015        2
2016        3
2017        4
2018        5
2019        6
2020        7

126=2x%5E2-16x%2B150

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x%5E2-8x%2B75=63
x%5E2-8x%2B12=0
%28x-2%29%28x-6%29=0
system%28x=2%2C+AND%2C+x=6%29

The years 2015 and 2019