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Stels [109]
3 years ago
14

Which equation represents a line through (-4, 3) that is perpendicular to y=x+7?

Mathematics
1 answer:
Oksana_A [137]3 years ago
7 0

Answer:

B. y = -x - 1

Step-by-step explanation:

Perpendicular lines have opposite reciprocal slopes, so the slope of the new line will be -1.

Plug the slope and the given point into y = mx + b to find b:

y = mx + b

3 = -1(-4) + b

3 = 4 + b

-1 = b

Then, plug this and the slope into y = mx + b

y = -x - 1

So, the correct answer is B, y = -x - 1

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