Find the magnitude of the vector. (-2,-7)

asked Apr 25, 2021 59.7k views

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Find the magnitude of the vector.
(-2,-7)

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4 votes

Answer:

Explanation:

Jeremy Walters answered Apr 26, 2021

4.9k points

7 votes

Answer:

√(53)

Explanation:

$\begin{pmatrix}-2&-7\end{pmatrix}\\=√(\left(-2\right)^2+\left(-7\right)^2)\\\\$

Then you need to simplify:

$=√(2^2+\left(-7\right)^2)\\=√(2^2+7^2)\\=√(4+7^2)\\=√(4+49)\\=√(53)$

EggBender answered May 1, 2021

4.2k points

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