Module 6 Open-Ended Questions

1. Lisa says that y = x² is the same as y = (-x)². Angie says that they are different. Who is correct? Explain and include graphs.

2. Explain why 3 and -3 are both squares roots of 9.

3. For the quadratic equation ax² + bx + c = 0 where a � 0, the value of the discriminate tells you the number of solutions. using the chart below, explain what this means. you may include a sketch of the graphs if necessary.