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zitterkoph
27.07.2019 •
Mathematics
what is the distance between p(12, 4) and q(-8, 2)
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Ответ:
The distance formula is
, where
and
are the points.
Substitute in the points.![\sqrt{(2-4)^2+(-8-12)^2}](/tpl/images/0139/8556/1a7f6.png)
Subtract.![\sqrt{(-2)^2+(-20)^2}](/tpl/images/0139/8556/9ebd5.png)
Solve the exponents.![\sqrt{4+400}](/tpl/images/0139/8556/566ff.png)
Add.![\sqrt{404}](/tpl/images/0139/8556/921dd.png)
Now, we can simplify this square root just a little bit.
has a square factor of
. ![\sqrt{404}=\sqrt{4}*\sqrt{101}](/tpl/images/0139/8556/70200.png)
The square root of
equals
. ![\boxed{2 \sqrt{101}}](/tpl/images/0139/8556/5b887.png)
Ответ:
Step-by-step explanation:
The distance between two points can be calculated with the following formula:
Given the points P(12, 4) and Q(-8, 2), we can identify that:
Then, substituing values into the formula, we get that the distance between these two points is:
Ответ:
B) His final position is (-1, -2)