SOLUTION: The points (6,12) and (0,-6) are connected by a straight line. Another point on this line is: A. (3, 3); B. (2, 1); C. (7, 16); D. (−1,−4); E.none

Algebra ->  Linear-equations -> SOLUTION: The points (6,12) and (0,-6) are connected by a straight line. Another point on this line is: A. (3, 3); B. (2, 1); C. (7, 16); D. (−1,−4); E.none      Log On


   

Question 240656: The points (6,12) and (0,-6) are connected by a straight line. Another point
on this line is:
A. (3, 3); B. (2, 1); C. (7, 16); D. (−1,−4); E.none
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(6,12) and (0,-6)
Y=mX+b
m=(Y2-Y1)/(X2-X1)=(-6-12)/(0-6)=-18/-6=3 ans. for the slope.
-6=3*0+b
-6=b the Y intercept.
Y=3X-6
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+3x+-6%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 3x -6).
ANSWER: A(3,3)