Assignment:
Q1. What is the discriminant? When do you use quadratic formula to solve a quadratic equation?
Q2. What square root property is essential to solve any radical equation involving square root?
Q3. Solve the equation x^2+8x-2=0 using both (a) the quadratic formula (b) completing the square (c) prepare a paragraph or two comparing and contrasting the two methods
Provide complete and step by step solution for the question and show calculations and use formulas.