Below are different equations. Use these equations to answer the equation to answer the question that follow:
x² +2x + 1 = 0
x² + 9 = 13
x² = 4
2x + 5 = 7
3x - 5 = 4
3x² + x = 0
x + 1 = 6
6x² + 5x + 1 = 0
x² - 25 = 0
Questions:
1. Which of the given equations are linear?
2. How do you describe linear equations?
3. Which of the given equations are not linear? Why?
4. How are these equations different from those which are linear?
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