Page 8 of 9 VVS: 20-1 A4 Summer 22 8. In Math 20-1 class, the teacher gives the class the following rational expressions. 7x -42x x -2x - 35 x' - x - 30 x - 49 a. State all non-permissible values of x in the expressions above. (1 mark) b. Determine the simplified product of the two expressions above. (1 mark) c. The Math 20-1 teacher also gives the class a diagram of a rectangle with dimensions represented by rational expressions, where x > 2, as shown below. Explain why x > 2 for the rectangle. (1 mark) 35 5.x - 10 - cm 6.X Cr x - 2Page 9 of 9 WS: 204 A4 Summer 11 d. The teacher reminds the class that the perimeter of a rectangle is the sum of the lengths of all the sides. Given that the perimeter of the given rectangle is 60 cm , write an equation that can be used to solve for x. Algebraically determine the value of x, to the nearest tenth, using this equatiani (2 marks) End of Assignment Page 6 of 9 VVS: 20-1 A4 Summer 22 4. Explain two ways to solve -= 2+ - graphically. Draw a sketch of each method. State the solution(s) to the equation. Round your answer(s) to the nearest tenth if necessary. (5 marks) 5. Eva and Wilson are watching a Netflix movie at home. By himself, Wilson can eat a whole bag of popcorn in 20 minutes. Eva takes 30 minutes to eat a whole bag of popcorn. If they both eat popcorn at their usual rates, how long will it take Eva and Wilson to finish a single bag of popcorn if they share? (2 marks)