Question

Find the value of x so that the line through (x, 9) and (2, 7) is parallel to the the line through(2,-2)and (6,4).​

Answer 1

Answer:

Considering that you are talking about pair of lines, for the 2 component lines to be parallel the angle between them will be zero and so tan theta = 0. So using the formula to get the angle between pair of lines you'll get the condition h^2 = ab which makes the numerator zero and hence the lines parallel.

Step-by-step explanation:

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Answer 2

Considering that you are talking about pair of lines, for the 2 component lines to be parallel the angle between them will be zero and so tan theta = 0. So using the formula to get the angle between pair of lines you'll get the condition h^2 = ab which makes the numerator zero and hence the lines parallel.

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