Multiple choice

Which of the following equations is a linear equation?

  1. xy + 2x2 = 3

  2. x + y - 3 = 0

  3. x2 + y2 - 3xy = 4

  4. x2 - y2 = 5
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The highest power of the term in the given equation is called degree. The equation having a degree one is called a linear equation. Therefore, the equation x + y - 3 = 0 is a linear equation.

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