Question

What is the solution of the system? Use a graph.
y = –3x + 2
y = –3x + 4

A. (0, 4)
B. (0, 2)
C. infinitely many solutions
D. no solutions

Answer 1

y = –3x + 2 
y = –3x + 4

–3x + 2 = –3x + 4⇒
–3x + 3x = 4 - 2 ⇒
0x = 2
it has no solutions, which is D