Chapter 7 Resource Masters - teacherwee

1 Glencoe/McGraw-Hill378 Glencoe Algebra 2 State the degree and leading coefficient of each polynomial in one variable. If it isnot a polynomial in one variable, explain (3x2 1)(2x2 9)4; 62. 15 a3 35 a2 45 a3; 15 3. 3m 12 Not a polynomial; 3xy3 12x2y2 10y m22 cannot be written in the form No, this polynomial contains two mnfor a nonnegative integer , xand p( 2) and p(3) for each (x) x3 (x) 7x2 5x (x) x5 4x324; 216 29; 390; (x) 3x3 x2 2x (x) x4 12 x3 12 (x) 13 x3 23 x2 3x 37; 7313; 93 6; 24If p(x) 3x2 4 and r(x) 2x2 5x 1, find each (8a) (a2)13. 5r(2a) 192a2 42a4 5a2 1 40a2 50a (x 2) (x2 1) [p(x 2)]2x2 3x 13x4 6x2 115x2 60x 40 For each graph,a. describe the end behavior,b. determine whether it represents an odd-degree or an even-degree polynomialfunction, andc. state the number of real (x) as x ,f(x) as x ,f(x) as x ,f(x) as x ;f(x) as x ;f(x) as x ;even; 2even; 1odd; CHILLThe function C(s) s 7 estimates the wind chill temperatureC(s) at 0 F for wind speeds sfrom 5 to 30 miles per hour.

2 Estimate the wind chilltemperature at 0 F if the wind speed is 20 miles per 22 Fxf(x)Oxf(x)Oxf(x)O2 m2 Practice (Average)Polynomial FunctionsNAME _____ DATE _____ PERIOD _____7-17-1 Glencoe/McGraw-HillA3 Glencoe Algebra 2 AnswersAnswers(Lesson 7-1)Skills PracticePolynomial FunctionsNAME _____ DATE _____ PERIOD _____7-17-1 Glencoe/McGraw-Hill377 Glencoe Algebra 2 Lesson 7-1 State the degree and leading coefficient of each polynomial in one variable. If it isnot a polynomial in one variable, explain 81; 12.(2x 1)(4x2 3)3; 83. 5x5 3x3 85; 3y 5y2 y5 7y66; 4u2v2 r2 No, this polynomialcontains two No, this is not a polynomial becausevariables,uand v. r12 cannot be written in the form rn,where nis a nonnegative p( 1) and p(2) for each (x) 4 3x7; (x) 3x x2 2; (x) 2x2 4x 17; (x) 2x3 5x 30; (x) x4 8x2 10 1; (x) 13 x2 23 x 23; 2If p(x) 4x2 3 and r(x) 1 3x, find each (a)4a2 (2a)1 (a)3 9a16.

3 4p(a) 16a2 (a2)4a4 (x 2)7 3xFor each graph,a. describe the end behavior,b. determine whether it represents an odd-degree or an even-degree polynomialfunction, andc. state the number of real (x) as x ,f(x) as x ,f(x) as x ,f(x) as x ;f(x) as x ;f(x) as x ;odd; 1even; 4odd; 3xf(x)Oxf(x)Oxf(x)O1 r2 Glencoe/McGraw-Hill378 Glencoe Algebra 2 State the degree and leading coefficient of each polynomial in one variable. If it isnot a polynomial in one variable, explain (3x2 1)(2x2 9)4; 62. 15 a3 35 a2 45 a3; 15 3. 3m 12 Not a polynomial; 3xy3 12x2y2 10y m22 cannot be written in the form No, this polynomial contains two mnfor a nonnegative integer ,xand p( 2) and p(3) for each (x) x3 (x) 7x2 5x (x) x5 4x324; 216 29; 390; (x) 3x3 x2 2x (x) x4 12 x3 12 (x) 13 x3 23 x2 3x 37; 7313; 93 6; 24If p(x) 3x2 4 and r(x) 2x2 5x 1, find each (8a) (a2)13. 5r(2a) 192a2 42a4 5a2 1 40a2 50a (x 2) (x2 1) [p(x 2)]2x2 3x 13x4 6x2 115x2 60x 40 For each graph,a.

4 Describe the end behavior,b. determine whether it represents an odd-degree or an even-degree polynomialfunction, andc. state the number of real (x) as x ,f(x) as x ,f(x) as x ,f(x) as x ;f(x) as x ;f(x) as x ;even; 2even; 1odd; CHILLThe function C(s) s 7 estimates the wind chill temperatureC(s) at 0 F for wind speeds sfrom 5 to 30 miles per hour. Estimate the wind chilltemperature at 0 F if the wind speed is 20 miles per 22 Fxf(x)Oxf(x)Oxf(x)O2 m2 Practice (Average)Polynomial FunctionsNAME _____ DATE _____ PERIOD _____7-17-1