Multiple choice

Find the incomplete quadratic equation in $x$, whose solution is $0$.

  1. $x^{2} + 4x = 0$
  2. $x^{2} + 4 = 0$
  3. $x^{2} - 4 = 0$
  4. $\dfrac{4}{2}x^{2} = 0$
Reveal answer Fill a bubble to check yourself
D Correct answer
AI explanation

An incomplete quadratic equation lacks the linear (x) term, and for its solution to be exactly 0, its constant term must also be 0. Option D, (4/2)x^2 = 0, simplifies to 2x^2 = 0. Solving this yields x^2 = 0, meaning the only solution is x = 0.