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Name ______________________________________________ Alg1 Q4 Quiz 9 Review Part 2: Answer each question. Date _______________ Part II of Review Sheet Place all final answers on the line provided to the left. _____ 1) The graph below represent function defined by a polynomial. What are the zeros of the polynomial? (1) −4 𝑎𝑛𝑑 1 (2) −1 𝑎𝑛𝑑 4 (3) 0 𝑎𝑛𝑑 − 4 (4) 0 𝑎𝑛𝑑 4 _____ 2) Which relation is not a function? (1) {(2,4), (1,2), (0,0), (−1,2), (−2,4)} (2) {(2,4), (1,1), (0,0), (−1,1), (−2,4)} (3) {(2,2), (1,1), (0,0), (−1,1), (−2,2)} (4) {(2,2), (1,1), (0,0), (1, −1), (2, −2)} _____ 3) The length of the shortest side of a right triangle is 8 inches. The lengths of the other two sides are represented by consecutive odd integers. Which equation could be used to find the lengths of the other sides of the triangle? (1) 82 + (𝑥 + 1)2 = 𝑥 2 (2) 𝑥 2 + 82 = (𝑥 + 1)2 2 2 2 (3) 8 + (𝑥 + 2) = 𝑥 (4) 𝑥 2 + 82 = (𝑥 + 2)2 to take a survey is biased because they may have particular knowledge of the topic _____ 4) Marie currently has a collection of 58 stamps. If she buys s stamps each week for w weeks, which expression represents the total number of stamps she will have? (1) 58sw (2) 58 + sw (3) 58s + w (4) 58 + s + w _____ 5) Which graph does not represent the graph of a function? _____ 6) Which of the following represents a quadratic function? _____ 7) Is the mapping a relation or function? (1) relation (2) function _____ 8) Given the relation 𝐴 = {(5,2) (7,4) (9,10) (𝑥, 5)} Which of the following values for x will make relation A a function? (1) 2 (2)5 (3) 7 (4) 9 9) Adrianne invested $2000 in an account at a 3.5% interest rate compounded annually. She made no deposits or withdrawals on the account for 4 years. Determine, to the nearest dollar, the balance in the account after the 4 years. [Growth y = a(1+r)x] 10) In 2005, there were 250 Booh-Bah’s in Central Park. The population increased by 6.5% each year. How many rabbits were in Central Park in 2013? 11) _____Which relation is a function? (1) {(0, −2), (4,10), (−1, −5), (2,4)} (2) {(2,3), (2,5), (2,7), (2,9)} (3) {(4,8), (2, −3), (1, 1), (2, −1)} (4) {(0,0), (0,3), (3,1), (4, −1)}