Question

a. 6. Which of the following is not a linear equation? - 5 = 4.x - 3 b. x2 + 5 = 3x - 5 c. 3x + 3 = 5x + 2 d. (x + 2)2 = x2 - 8
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Answer 1

Answer:

option B and C

Step-by-step explanation:

LINEAR EQUATION IS IN WHICH EQUAL TO IS PRESENT

Answer 2

x² + 5 = 3x - 5  is not a linear equation.

(x + 2)² = x²- 8   is not a linear equation.

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Explanation:

Given:

1.  5 = 4x - 3

2.  x2 + 5 = 3x - 5

3.  3x + 3 = 5x + 2

4.  (x + 2)2 = x2 - 8

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To find:

Which of the following is not a linear equation

Linear Equation: Equation has highest power 1 and only one degree variable

Non-Linear Equation : Equation has highest power 2 and two or more degree variable

1.  5 = 4x - 3

  This variable has one degree. It is a linear equation

2. x² + 5 = 3x - 5

   This variable has maximum of 2 degree. It is a non-linear equation

   x² + 5 = 3x - 5  is not a linear equation.

3. 3x + 3 = 5x + 2

    This variable has only one degree. It is a linear equation

4.  (x + 2)² = x²- 8

      This variable has maximum of 2 degree. It is a non-linear equation

    (x + 2)² = x²- 8   is not a linear equation.

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