Given:
A line contains the points R(-1, 8), S(1, 4) and T(6, y).
To find:
The value of y.
Solution:
Three points are collinear if:

A line contains the points R(-1, 8), S(1, 4) and T(6, y). It means, these points are collinear.



Subtract 12 from both sides.

Divide both sides by 2.


Therefore, the value of y is -6.
Answer:
ok
Step-by-step explanation:
Answer:
Step-by-step explanation:
89
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2
32323
Answer:
a) Distance formula
Step-by-step explanation:
Generally, if you want to show lengths are the same, it is useful to use a formula for length: the distance formula.
Answer:111.919 square inches
Step-by-step explanation: