Section 8.5Using Intercept Form 455Exercises8.5Dynamic Solutionsavailable at BigIdeasMath.comIn Exercises 3–6, nd the x-intercepts and axis of symmetry of the graph of the function. 3. y (x 1)(x + 3)2xy2412 4. 5. f (x) 5(x + 7)(x 5) 6. g(x) 2 — 3 x(x + 8)In Exercises 7–12, graph the quadratic function. Label the vertex, axis of symmetry, and x-intercepts. Describe the domain and range of the function. (See Example 1.)7.f (x) (x + 4)(x + 1) 8. y (x 2)(x + 2)9. y (x + 6)(x 4) 10. h(x) 4(x 7)(x 3)11.g(x) 5(x + 1)(x + 2) 12. y 2(x 3)(x + 4)In Exercises 13–20, graph the quadratic function. Label the vertex, axis of symmetry, and x-intercepts. Describe the domain and range of the function. (See Example 2.)13.y x2 9 14. f (x) x2 8x15.h(x) 5x2 + 5x 16. y 3x2 4817.q(x) x2 + 9x + 14 18. p(x) x2 + 6x 2719. y 4x2 36x + 32 20. y 2x2 4x + 30In Exercises 21–30, nd the zero(s) of the function. (See Examples 3 and 4.)21. y 2(x 2)(x 10) 22. f (x) 1 — 3 (x + 5)(x 1)23. g(x) x2 + 5x 24 24. y x2 17x + 5225. y 3x2 15x 42 26. g(x) 4x2 8x 427.f (x) (x + 5)(x2 4) 28. h(x) (x2 36)(x 11)29. y x3 49x 30. y x3 x2 9x + 9In Exercises 31–36, match the function with its graph. 31. y (x + 5)(x + 3) 32. y (x + 5)(x 3)33. y (x 5)(x + 3) 34. y (x 5)(x 3)35. y (x + 5)(x 5) 36. y (x + 3)(x 3) A. xy26264828 B. xy264812 C. xy184486 D. xy2648 E. xy441224 F. y6618x48Monitoring Progress and Modeling with MathematicsMonitoring Progress and Modeling with Mathematics 1. COMPLETE THE SENTENCE The values p and q are __________ of the graph of the function f (x) a(x p)(x q). 2. WRITING Explain how to nd the maximum value or minimum value of a quadratic function when the function is given in intercept form.Vocabulary and Core Concept CheckVocabularyand Core ConceptCheckxy2446y4y 2(x 2)(x 5)