Chapter 2 - Linear and Quadratic Functions - Section 2.3 Quadratic Functions and Their Zeros - 2.3 Assess Your Understanding - Page 146: 88

(a) See graph. (b) $-6,0$ (c) See graph.

(a) To obtain the graph of $y=(x+3)^2-9$ from $y=x^2$, shift the curve 3 units to the left, then shift 9 units down. See graph. (b) We can find the real zeros $x=-6,0$ (c) See graph.