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Equations and Inequalities

Equations and Inequalities

Keeping Both Solutions Exercises

Example 1

How many solutions does the equation z2 = -25 have? If it has solutions, what are they? 

Example 2

How many solutions does the equation y2 – 3 = 13 have? If it has solutions, what are they? 

Example 3

How many solutions does the equation x2 = 0 have? If it has solutions, what are they?