Chapter 3 Quiz Form B

Name: ____________________________________ Score: ________ / 16 UNIT #1 - PROGRESS QUIZ COMMON CORE ALGEBRA I PART I QUESTIONS: Answer all questions in this part by writing the choice of the appropriate answer in the blank beside the problem. Each question is worth 2 points. No partial credit will be awarded. 1. If f  x  2x2  7 , then which of the following is the value of f 2 ? (1) 1 (3) 15 (2) 23 (4) 1 2. If g(x)  4x  3 and if g(b)  6, then which of the following is the value of b? (1) 9 (3) 9 4 2 (2) 21 (4) 5 3. A function is defined by the set of ordered pairs 2, 6, 3, 7, 4, 8 . Which ordered pair below, if added to this set, would create a set that no longer represents a function? (1) 1, 5 (3) 6, 2 (2) 3,  7 (4) 5, 8 4. If the function f x  5x 8 and g  x  5 x  2 then which of the following is a true statement? 2 (1) f 0  g 0 (3) f 6  g(10) (2) f 4  g 4 (4) g 2  f 2 5. If the graph of the function y  h(x) contains the point (1, 6) , then which of the following must be true? (1) h(1)  6 (3) The graph of y  h(x) is a straight line. (2) h(6)  1 (4) h(x)  5 for every real number x. COMMON CORE ALGEBRA I, UNIT #3 PROGRESS QUIZ - FORM B eMATHINSTRUCTION, RED HOOK, NY 12571, © 2018

6. Which of the following graphs below is the graph of a function? (1) y (3) y xx (2) y (4) y x x PART II QUESTIONS: Answer all questions in this part. Clearly indicate the necessary steps and explain your reasoning. For all questions in this part, a correct numerical answer with no work shown will receive only 1 credit. 7. The graph of the function y  g  x is shown below. a. For how many real numbers x does g(x)  5? Explain your answer. [2 points] b. What are the zeros of the function y  g(x) ? Explain your answer. [2 points] COMMON CORE ALGEBRA I, UNIT #3 PROGRESS QUIZ – FORM B eMATHINSTRUCTION, RED HOOK, NY 12571, © 2015