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DerikF9478
28.06.2019 •
Mathematics
Find the coordinates of the four points which have integer coordinates and are a distance of 5 from the point (1, 2). hint: 5 ? 12 22 .
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Ответ:
Option 2 and 3 - 3 and![-\frac{1}{2}](/tpl/images/0301/6517/3e56c.png)
Step-by-step explanation:
Given : Equation![(4x-5)^2=49](/tpl/images/0301/6517/bc755.png)
To find : What are the possible values of x ?
Solution :
Equation![(4x-5)^2=49](/tpl/images/0301/6517/bc755.png)
Taking root both side,
Taking![4x-5=7](/tpl/images/0301/6517/daec5.png)
Taking![4x-5=-7](/tpl/images/0301/6517/93e7a.png)
The possible values of x are 3 and![-\frac{1}{2}](/tpl/images/0301/6517/3e56c.png)
Therefore, option 2 and 3 are correct.