Question: Which system of equations has no solution?
A) y=2x+5,y=2x+1
B) y=-x+3,y=x-3
C) y=2x+4,2y=4x+8
D) y=(1/2)x-2,y=-2x+3
Correct answer: A
Grade: 8 | Topic: Expressions and Equations | Difficulty: Medium | Standard: 8.EE.C.8a