Common Core Algebra II Unit 1 Mid-Unit Quiz PDF

Answer Key - Unauthorized posting of key to any website is prohibited and Name: ___________________________________ a violation of copyright. Score: ________ / 20 UNIT #1 MID-UNIT QUI...

Answer Key - Unauthorized posting of key to any website is prohibited and Name: ___________________________________ a violation of copyright. Score: ________ / 20 UNIT #1 MID-UNIT QUIZ COMMON CORE ALGEBRA II 1. Which expression below is a trinomial? (1) 4x3 (2) 3 x 2  2 x  7 A trinomial is an expression with three terms. Only choice (2) has three terms. (3) x3  y 3 (2) (4) n  2n  5n  6 3 2 10  x 2 2. Which of the following is the value of the expression when x  5 ? 5x 1 5 1 (1)  (3) 8 2 (1) 4 4 (2)  (4) 3 5 3. Which expression below is the simplified version of 5 x 2  2 x  7  8 x 2  9 x  3 ? (1) 3 x 2  18 x  10 (2) 40 x 2  18 x  27 (3) 40 x 2  7 x  4 (4) (4) 3 x 2  7 x  4 4. Which of the following is the solution to the equation shown? (1) x  8 8  x  3  3  x  3  2 (2) x  11 (3) x  7 (3) (4) x  9 5. Which of the following is the value of x  5  12 when x  9 ? (1) 8 (2) 13 (3) 16 (1) (4) 26 ® COMMON CORE ALGEBRA II, UNIT #1 QUIZ (AFTER LESSON #3) – FORM A ® eMATHINSTRUCTION™, RED HOOK, NY 12571, © 2020  Answer Key - Unauthorized posting of key to any website is prohibited and a violation of copyright. 6. Find the solution to the equation shown below. Show the steps that lead to your final answer. [3 points] 6  2 y  1  2  y  5   4  y  10   3 7. The following equation is either an identity or is inconsistent. Which is it? Justify. [3 points] 5  x  2   2  3  2 x  4    x  10  This equation is inconsistent. There are no solutions to the above equation because 8 does not equal 2. 8. A frisbee is thrown between two people standing 90 feet apart. The frisbee’s height in feet above the ground when it is x-horizontal feet away from the thrower is given by the expression: 1  x  45  23 2  100 (a) Evaluate this expression for x  15. [2 points] (b) Give an interpretation of the answer you found in (a). [2 points] When the frisbee is 15 feet away from the person who threw it, it is 14 feet above the ground. ® COMMON CORE ALGEBRA II, UNIT #1 QUIZ (AFTER LESSON #3) – FORM A ® eMATHINSTRUCTION™, RED HOOK, NY 12571, © 2020