1. Warm Up /31/17
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

2. Find the x-intercept of each linear function.
3. y = 2x –
Evaluate each quadratic function for the given input values.
5. y = –3x2 + x – 2, when x = 2

3. 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: all real numbers;
R: y ≤ ______

4. 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 + 12x + 8.
zeros: ( , ); x = ___
(axis of symmetry)
Vertex ( , ) , x = __ (axis of symmetry)