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liraira [26]
3 years ago
7

If the slope of line L is -2/5, what is the slope of line m so that line l and line m are perpendicular?

Mathematics
1 answer:
ki77a [65]3 years ago
3 0
Perpendicular lines have negative reciprocal slopes. So if the slope is -2/5...to find the negative reciprocal, " flip " the slope and change the sign.
So we flip -2/5 and we get 5/-2...and now we change the sign...and we get 5/2. So our perpendicular slope will be 5/2.
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<h2>3. Infinitely many</h2>

Step-by-step explanation:

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(3)\\\text{if}\ a\neq d\ \text{or}\ b\neq e,\ \text{then the system of equations has infinitely many solutions}\\Example:\\\left\{\begin{array}{ccc}x-3y=5\\2x-3y=5\end{array}\right

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4 0
3 years ago
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