Pre-Calculus 11 Workbook - McGraw-Hill Ryerson

Check Your UnderstandingPractise1. Write each quadratic function in vertex form. State the coordinates of the vertex.a) y = x 2 + 2x + 3 b) y = x 2 + 12x + 20c) y = –x 2 + 8x – 7 d) y = –x 2 – 10x – 312. Write each function in vertex form by completing the square. State the coordinates of thevertex.a) y = 2x 2 + 8x + 1 b) y = 5x 2 – 60x + 166c) y = –4x 2 + 24x – 21 d) y = –7x 2 – 42x + 33. Write each function in vertex form. Sketch the graph of the function, and label the vertex.a) y = x 2 – 10x + 1830 MHR • Chapter 3 978-0-07-073882-9