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Ludmilka [50]
3 years ago
6

Line KL has an equation of a line y = 4x + 5. Which of the following could be an equation for a line that is perpendicular to li

ne AB? (6 points)
y = 4x − 8

y = 1 over 4x − 8

y = −4x − 8

y = −1 over 4x − 8
Mathematics
2 answers:
daser333 [38]3 years ago
6 0
Y = -1 over 4x - 8 is the answer I think
djyliett [7]3 years ago
3 0
To find a perpendicular slope (or line), the slope (in this case 4x) must be the opposite sign and its reciprocal, which is basically the fraction flipped upside down. Since 4 is technically 4/1, that fraction flipped is 1/4. And since you need to flip the sign too, instead of it being a positive number, it's negative. Your answer is -1/4x-8
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Step-by-step explanation:

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Keywords: Coordinate geometry, scaling

Learn more about scaling at:

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