aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
Multiple choice

Which of the following equations is a quadratic equation?

  1. 7x2 - 7x3 - 7x2 + 5 = 0

  2. 14x3 - 12x + 8x2 + 2 = 0

  3. 7x2 - 14x3 + 2x + 3 = 0

  4. x2 - 3x3 + 2x + 3x3 = 0

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

A quadratic equation has highest power 2 after simplifying. In option D, the cubic terms cancel, leaving x^2 + 2x + 3 = 0, which is quadratic.

Keep practicing — related questions

  • Directions: The given question is followed by a word which stands for the meaning of a prefix which has bee...
  • Directions: The given question is followed by a word which stands for the meaning of a prefix which has bee...
  • Directions: The given question is followed by a word which stands for the meaning of a prefix which has bee...
  • Directions: The given question is followed by a word which stands for the meaning of a prefix which has bee...
  • Directions: The given question is followed by a word which stands for the meaning of a prefix which has bee...
  • Directions: The given question is followed by a word which stands for the meaning of a prefix which has bee...
  • Directions: The given question is followed by a word which stands for the meaning of a prefix which has bee...
  • Directions: The given question is followed by a word which stands for the meaning of a prefix which has bee...

Practice this chapter

  • Algebra (3715 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy