SOLUTION: (-1,2) is a point on the line px+qy=r. Write r in terms of p and q.

SOLUTION: (-1,2) is a point on the line px+qy=r. Write r in terms of p and q.

Algebra.Com

Question 242597: (-1,2) is a point on the line px+qy=r. Write r in terms of p and q.
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
px+qy=r, where x=-1 and y=2

p(-1)+q(2)=r

r=-p+2q

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
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