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2.1 Zeros of Polynomial Functions. Quiz Time!! ≈ 25 minutes! If you choose, email me a brief reflection on how your feel this quiz went compared to the previous assessments. #31 #32 x = 0.43 #33 x = 5,15,40 #34 x = -0.44, 4.94 #35 x = -1.5, 4.5
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2.1 Zeros of Polynomial Functions • Quiz Time!! ≈ 25 minutes! • If you choose, email me a brief reflection on how your feel this quiz went compared to the previous assessments. • #31 #32 x = 0.43 #33 x = 5,15,40 • #34 x = -0.44, 4.94 #35 x = -1.5, 4.5 • #36 x = 3 #44 positive #45 A = x(160 – x) • #46 Graph #47 no meaning #48 67.89 mph • #52 553 units #53 256 units
2.1 Zeros of Polynomial Functions • The owner of Olde Time Ice Crème Shoppe pays $1000 per month for fixed expenses such as rent, electricity, and wages. Ice cream cones are sold at $0.75 each, of which $0.40 goes for ice cream, cone and napkin. • Clearly define the variables • Write the equation • Properly state the domain and range • Properly graph the equation • Explain (5000, 750) • Determine how many ice cream cones need to be sold to break even.
2.1 Zeros of Polynomial Functions • A graphic artist designs pages 8 ½ by 11 in. with a picture centered on the paper. Suppose the distance from the outer edge of the paper to the picture is x inches on all sides. • Find an algebraic representation that describes the area A of the picture when the width of the border is x inches on all sides. • Find the width of the border if the area of the picture is 50 sq in.
2.1 Zeros of Polynomial Functions Finding Zeros on the Calculator Finding Zeros Algebraically