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denis23 [38]
3 years ago
15

An equation of a line through (11, 12) which is perpendicular to the line y=3x+1 has slope: ____Blank____

Mathematics
1 answer:
Burka [1]3 years ago
5 0

Answer:

the slope is 3 and 1 and the y intercept is 1 and 1

Step-by-step explanation:

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As x² - 3x - 10 factors, we can use the zero product property and pull it apart into factors. It factors because 2 and 5 have a difference of 3 and product of 10

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To find where the inequality is true, we use a sign test. When x-5 > 0, it means x >5, and 5 is one of our sign test values. Similarly, -2 is the other. We can then make three intervals - A (less than -2), B (between -2 and 5), and C (more than 5).

<--------------- -2 ------------------ 5 -------------------------->

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To do a sign test, we choose values to see what happens. First, test x = -5.

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Next, test x = 0.

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We put the true intervals together.

(-∞, -2) ∪ (5, ∞) is where this inequality is true,

{x : x < -2 or x > 5} is also how it's said in set notation.

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