Question

y = 2x + 3
2y = 4x + 6

The system of equations has _____ solution(s).
a)no
b)one
c)infinite

Answer 1

c) infinite..

Answer 2

c)infinite

Answer 3

There are infinite solutions because the determinant of the system is 0. The determinant will be 0 whenever the lines are parallel (i.e. they never cross) or if the lines are the same