Name: ___________________________________ Period: ______ Date: _______________________ Algebra 1 Unit 1 / Quiz #5 MP % Directions: NO WORK EQUALS NO CREDIT Circle all final answers and/or put them in the provided space. Each part of each question is worth three points THINK!!! 1. Simplify each expression below. a. 5x 3 2 x 4 6 x 2 6 x3 2 x 2 3x 4 b. __________________________ c. 2 x 6 x 3 4 2 x 5 4 x 3 4 x 5 d. 3x 4 2 x 2 5 x 1 __________________________ 3x 2 7 5 x 2 7 x 4 3 6 3x 1 4 5x 2 3 ____________________________ g. __________________________ h. 4 ____________________________ __________________________ e. 5x 9x 49x 4 ____________________________ i. x 4 2 x 2 5 x 1 ____________________________ 2. . 3. A1.1.1.5.1 A polynomial expression is shown below. A1.1.1.5.1 A polynomial expression is shown below. mx 15x 1 3x 2 2 x b The expression multiplied to 15 x 2 8 x 1 . What is the value of m? The expression multiplied to 6 x 2 25 x 14 . What is the value of b? A. 3 B. 3 A. 5 B. 5 C. 5 D. 15 C. 7 D. 7 4. . 5. A1.1.1.5.1 The triangle below has a perimeter of 18x 2 inches. A1.1.1.5.1 A square has a side length of 2 x 5 y inches. What is the area of the square? 6x 5 5x 3 Which expression below represents the length of the remaining side? A. 4 x 14 xy 25 y sq in. B. 4 x 2 20 xy 25 y 2 sq in. A. 11x 2 B. 11x 2 C. 4 x 2 20 xy 25 y 2 sq in. C. 7x D. 7 x 10 D. 4 x 2 14 xy 10 y 2 sq in. 6. A1.1.1.5.1 The expression 3 y 2 2 y 3 y 2 wy is a polynomial. It simplifies to 6 y 5 3 y 4 12 y 3 . What must be the value of w? A. 9 B. 4 C. 4 D. 9 Open-Ended A manufacturer makes blankets in two different sizes. The “Mini” is perfectly sized for most children while the “Max” is perfectly sized for most adults. Both blankets are pictured below, along with their dimensions. “Mini” 3x 4 2 x 2 “Max” x 2 3x 4 x 2 a. Write a simplified expression that represents the area of the “Max” blanket? Area: __________________________________ b. Write a simplified expression that represents the difference between the perimeter of the Max blanket and the perimeter of the Mini blanket. Answer: __________________________________ c. Can the x -value in this scenario be 3? Use full sentences to defend your answer. _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________