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sesenic [268]
3 years ago
12

Write an equation of the line that passes through (-1,7) and is perpendicular to the line y=-1/8x -1

Mathematics
1 answer:
kirill115 [55]3 years ago
8 0

Answer:

y = 8x + 15

Step-by-step explanation:

Step 1: Find slope of perpendicular line

<em>Take the negative reciprocal of the 1st equation</em>

m = 8

y = 8x + b

Step 2: Find <em>b</em>

7 = 8(-1) + b

7 = -8 + b

b = 15

Step 3: Rewrite perpendicular equation

y = 8x + 15

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