PC Exam First Semester Review Polynomials Directions: What are the solutions to the equation 1) 4𝑥 ! − 5𝑥 ! − 9 = 0 2) 9𝑥 ! + 7𝑥 ! − 16 = 0 3) 9𝑥 ! − 13𝑥 ! + 4 = 0 4) 4𝑥 ! − 21𝑥 ! − 25 = 0 Directions: Determine the degree and the zeros of the graph of the polynomial. Determine if the multiplicity of each zero is even or odd. 1) Degree = ______ 2) Degree = ______ Zeros w/ multiplicities: Zeros w/ multiplicities: 3) Degree = ______ 4) Degree = ______ Zeros w/ multiplicities: Zeros w/ multiplicities:
Directions: Determine if the polynomial falls or rises as it moves to the left and right. Determine the number of maximum turning points and its y-‐intercept.
1) 𝑦 = −𝑥 ! − 5𝑥 ! + 2𝑥 − 1 2) 𝑦 = 3𝑥 ! + 2𝑥 ! − 𝑥 ! + 7𝑥 + 4 ________ to the left; _________ to the right ________ to the left; _________ to the right max. # of turning pts: _______ max. # of turning pts: _______ y-‐int: (0, _____ ) y-‐int: (0, _____ ) 3) 𝑦 = −𝑥 ! + 5𝑥 ! − 3𝑥 ! + 𝑥 + 5 4) 𝑦 = 2𝑥 ! + 7 ________ to the left; _________ to the right ________ to the left; _________ to the right max. # of turning pts: _______ max. # of turning pts: _______ y-‐int: (0, _____ ) y-‐int: (0, _____ ) Directions: Determine the roots of the polynomial given a rational root. ! ! 1) 4𝑥 ! − 25𝑥 ! + 46𝑥 − 10 = 0; 𝑥 = ! 2) 3𝑥 ! − 22𝑥 ! + 35𝑥 + 34 = 0; 𝑥 = − ! ! ! 3) 2𝑥 ! − 13𝑥 ! + 30𝑥 − 25 = 0; 𝑥 = ! 4) 2𝑥 ! − 19𝑥 ! + 42𝑥 + 26 = 0; 𝑥 = − ! Directions: Expand the binomials. 1) 2𝑥 + 𝑦 ! 2) 𝑥 − 3𝑦 ! 3) 2𝑥 + 3𝑦 ! 4) 3𝑥 − 2𝑦 !
Directions: Determine the degree and the zeros of the graph of the polynomial. Determine if the multiplicity of each zero is even or odd. 1) Degree = ______ 2) Degree = ______. Zeros w/ multiplicities: Zeros w/ multiplicities: 3) Degree = ______ 4) Degree = ______. Zeros w/ multiplicities: Zeros w/ multiplicities: Page 1 of 2 ...
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To help you prepare for the semester exam, please answer the questions below. ... List the steps of the Scientific Method. ... When and why do we collect data?
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MATH-I, September 8, 2015. Part-II. Time: 90 minutes, Maximum Marks: 20. Instructions: You should attempt all questions. Your writing should be legible and ...
MATH-I, September 8, 2015. Part-II. Time: 60 minutes, Maximum Marks: 25. Instructions: You should attempt all questions. Your writing should be legible and ...
Page 1 of 1. 2013-2014 First Semester Exam Schedule. Thursday, January 9, 2014. Early Bird EXAM 7:30-8:25. (Early Bird teachers may opt to give part. of the exam on Tuesday during EB class.) 1. st Period EXAM 8:40-10:10. 2. nd Period class 10:15-10:5
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