SOLUTION: Find an equation for the linear function g(x) which is perpendicular to the line 5 x - 4 y = 8 and intersects the line 5 x - 4 y = 8 at x = 20.
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Question 901779: Find an equation for the linear function g(x) which is perpendicular to the line 5 x - 4 y = 8 and intersects the line 5 x - 4 y = 8 at x = 20.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The point of intersection is supposed to be x=20, and ,
The point (20,23).
The line perpendicular to that given line is , which choice uses knowledge of the standard form in which the equation is written. Substituting the found point of intersection (the expected point of intersection) will give the value for c:
.
Now, the line being found, perpendicular to the given line at (20,23) is
.
Solve this for y, and THAT is your desired function, .
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