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3 years ago

What is an equation of the line that passes through the points (−7,-6) and (-1,0)

Mathematics

1 answer:

Elina [12.6K]3 years ago

7 0

Step-by-step explanation:

the slope = (0+6)/(-1+7) = 6/6 = 1

the Equation :

y-0 = 1(x+1)

y = x + 1

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Can someone write the standard form for this?

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Step-by-step explanation:

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What is the sum of the matrices shown below?

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Answer:

$\left[\begin{array}{cc}3&9\\5&-2\end{array}\right] +\left[\begin{array}{cc}6&0\\-8&4\end{array}\right]=\left[\begin{array}{cc}9&9\\-3&2\end{array}\right]$

Step-by-step explanation:

To add matrices, we add the corresponding components.

The given matrices is

$\left[\begin{array}{cc}3&9\\5&-2\end{array}\right] +\left[\begin{array}{cc}6&0\\-8&4\end{array}\right]$

We add the corresponding components to get;

$\left[\begin{array}{cc}3&9\\5&-2\end{array}\right] +\left[\begin{array}{cc}6&0\\-8&4\end{array}\right]=\left[\begin{array}{cc}3+6&9+0\\5+-8&-2+4\end{array}\right]$

We simplify to get:

$\left[\begin{array}{cc}3&9\\5&-2\end{array}\right] +\left[\begin{array}{cc}6&0\\-8&4\end{array}\right]=\left[\begin{array}{cc}9&9\\-3&2\end{array}\right]$

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Answer:

Step-by-step explanation:

the colums add up to angle 1, which make angle 2 adjacent.

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