What is the slope of the line given below?

Mathematics

1 answer:

Masteriza [31]2 years ago

8 0

Answer:

slope = -2

Step-by-step explanation:

You can solve this several different ways, but I’ll show you using rise over run. As you can see, you need to rise 4 to get to the point (0,4) from the point (2,0). Then, you go two units to the left getting 4 as the rise and -2 as the run. Now you divide 4 by -2 to get -2 as the slope.

Hope that helps and please let me know if you need more help!

Have an amazing day!!

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Find a nonzero vector orthogonal to the plane through the points: ????=(0,0,1), ????=(−2,3,4), ????=(−2,2,0).

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Step-by-step explanation:

Consider the given points are P=(0,0,1), Q=(−2,3,4), R=(−2,2,0).

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$\overrightarrow {PR}==$

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Expand along row 1.

$\overrightarrow n=i\det \begin{pmatrix}3&3\\ 2&-1\end{pmatrix}-j\det \begin{pmatrix}-2&3\\ -2&-1\end{pmatrix}+k\det \begin{pmatrix}-2&3\\ -2&2\end{pmatrix}$