Warm Up 04/05/17 1. Evaluate x2 + 5x for x = -4 and x = 3. __; ___ 2. Generate ordered pairs for the function y = x2 + 2 with the given domain. D: {–2, –1, 0, 1, 2} x –2 –1 1 2 y
Find the y-intercept of each linear function. 3. y = 2x – 3 4. Evaluate each quadratic function for the given input values. 5. y = –3x2 + x – 2, when x = -2
Use the graph for Problems 3-5. 6. Identify the vertex. ( , ) 7. Does the function have a minimum or maximum? What is it? 8. Find the domain and range. Max = ___ D: _________; R: _________
9. Find the zeros and the axis of symmetry of the parabola. 10. Find the axis of symmetry and the vertex of the graph of y = 3x2 + 24x + 8. zeros: ( , ); x = ___ (axis of symmetry) Vertex ( , ) , x = __ (axis of symmetry)