Respuesta :

Answer:

The screenshot shows the correct answers; 5x + 5y = 25 is linear.

For a equation to be linear:

  1. The equation should not have square root, cube root, etc.
  2. The value of x is not greater than one. X should not have an exponent.
  3. X is not in a denominator of a fraction.
  4. "xy" should not be in the equation.