Solve: |2x - 1| = 5
Ax = 3 only
Bx = -2 only
Cx = 3 or x = -2CORRECT
Dx = 3 or x = 2
WAECMathematics
AI
Toaster Teacher
Why the answer is C, and why the others tempt you.
2x-1 = 5 → x=3, or 2x-1 = -5 → x=-2.
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →
Practice more Mathematics questions
WAEC Mathematics has thousands more questions like this — with Worked answers on every one.