23 A (1) Complete the following activity to decide whether the points D(0, 3).
E(1, 1) and F(3, -1) are collinear or not.
3
: -
The slope of line DE
1-0
Pi-
The slope of line EF :
1
ܐ. - ,".
:. the slopes of line DE and line EF are
:. the points D, E, F are
Attachments:
Answers
Answered by
27
hope it will be helpful to you
Attachments:
Similar questions