Question

Find c if
The distance between (c, −1) and (2, 2) is √13.

Answer 1

Answer:

distance = √ (c-2)^2 + ( 2 +1 ) = √13

= c^2-4c+4 + 3 = 13

c^2 -4c = 6

c^2 -4c -6 = 0