Multiple choice

Which of the following is a Quadratic Equation?

  1. $5x + 8 = 0$
  2. $6x^2 + 7x =19$
  3. $ x + 1$
  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A quadratic equation is of the form ax^2 + bx + c = 0 where a is not 0. Option B is 6x^2 + 7x - 19 = 0, which fits this form.

AI explanation

A quadratic equation is defined as a second-degree polynomial equation that must include a term with the variable raised to the second power. Among the given choices, only 6x^2 + 7x = 19 contains an x^2 term, making it the quadratic equation.