SOLUTION: Please determine whether or not the following points are collinear or not (1,9),(7,3), and (10,0) (-2,-1),(5,5), ans (7,9)

Question 244954: Please determine whether or not the following points are collinear or not
(1,9),(7,3), and (10,0)
(-2,-1),(5,5), ans (7,9)
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
if the slopes (m), from the first point to each of the other two points, are equal; then the three points are colinear

(1,9),(7,3), and (10,0)
m1 = (3 - 9) / (7 - 1) = -1
m2 = (0 - 9) / (10 - 1) = -1
slopes are equal, so points are colinear

(-2,-1),(5,5), ans (7,9)
m1 = (5 - -1) / (5 - -2) = 6/7
m2 = (9 - -1) / (7 - -2) = 10/9
slopes are NOT equal, so points are NOT colinear
RELATED QUESTIONS
Determine whether or not the following points are collinear. (-2,-1),(5,5), and... (answered by stanbon)

Determine whether or not the following points are collinear. (1,9) (7,3)and (10,0)... (answered by Fombitz)

Decide whether or not the points are the vertices of a right triangle.... (answered by Edwin McCravy)

Determine whether or not the following points are collinear. (1,9),(7,3), and... (answered by rapaljer)

Determine whether or not the following points are collinear. (3,1), (5,5), and... (answered by stanbon)

Determine whether or not the relation is a function. {(-3, 6), (-2, 7), (-1, 8), (0, 9)} (answered by Edwin McCravy)

Determine whether or not the relation is a function. {(-3, 6), (-2, 7), (-1, 8), (0,... (answered by KMST)

Determine whether the following equations have a solution or not and justify your answer. (answered by checkley71)

): HI! please help me with this.......... length , area 10 , 10 9 , 18 8 , 24... (answered by Fombitz)