Unit 5 Test Name_______________________________ Show ALL of your work. Give answers involving radicals in simplest radical form unless otherwise indicated. 1. Solve (x – 1)2 = 7 2. Solve 3x2 - 6x + 2 = 0 by completing the square. 3. Use the quadratic formula to solve 5x2 – 13x + 6 = 0 4. Find the domain, the range, and the zeros of f(x) = x2 – 12x + 36 5. Find a quadratic function f(x) = ax2 + bx + c whose graph has a maximum value 25 and 6. x-intercepts –3 and 2. 7. On the grid provided, sketch the graph of the function f(x) = 1/2 x2 – 4x + 8
7. Explain the effects on the graph
caused by changing the values of a, b, and c in the
function |
