Question

if the points (2,-5),(-4,5)and (x,15) are collinear then the value of x is​

Answer 1

Step-by-step explanation:

A(X,2) B(−3,−4) C(7,−5)

x=?

slope AB = slope BC = slope AC

−4−2

−3−x

=

−5+4

7+3

=

−5−2

7−x

6

x+3

=−10=

7

x−7

x=−63