SOLUTION: How do you write an equation of the line that passes through the point (4, 7) and is perpendicular to the line y = 0.5x – 1

Algebra ->  Linear-equations -> SOLUTION: How do you write an equation of the line that passes through the point (4, 7) and is perpendicular to the line y = 0.5x – 1      Log On


   

Question 692862: How do you write an equation of the line that passes through the point (4, 7) and
is perpendicular to the line y = 0.5x – 1
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
perpendicular slope: 2

y = mx + b

y = 2x + b

7 = 2(4) + b

7 = 8 + b

7 - 8 = b

-1 = b

b = -1

m = 2, b = -1

Answer: y = 2x - 1
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Jim

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