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andrew-mc [135]
2 years ago
8

Tell whether the lines through the given points are parallel, perpendicular, or neither.

Mathematics
1 answer:
zubka84 [21]2 years ago
7 0

line 1: slope=2/3

slope: (4-0) / (7-1)

4/6 = <u>2/3</u>

line 2: slope= <u>6/-4</u>

slope: (6-0)/(3-7)

6/-4

These two lines are perpendicular

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In other words, 9/12 = 3/4

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Now focusing on 3/4, we can multiply top and bottom by the same value. Let's say we multiply top and bottom by 5

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So 3/4 = 15/20

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So two ratios equivalent to 9/12 are 3/4 and 15/20. There are infinitely other ratios that are equivalent. 

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