SOLUTION: Given the line represented by y = 4/5 x - 7 , write a equation for a parallel line containing point (-20,7)

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Question 1158548: Given the line represented by y = 4/5 x - 7 , write a equation for a parallel line containing point (-20,7)
Answer by Shin123(626) About Me  (Show Source):
You can put this solution on YOUR website!
The parallel line has the same slope as 4/5 x-7. So the line is in the form y=%284%2F5%29x%2Bb. Plugging in -20 for x and 7 for y, we get 7=%284%2F5%29%2A-20%2Bb. 7=-16%2Bb. b=7%2B16=23. So the equation is y=%284%2F5%29x%2B23.
graph%28500%2C500%2C-20%2C20%2C-20%2C20%2Cy=%284%2F5%29x-7%2Cy=%284%2F5%29x%2B23%29.