Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Multiple Choice Review Name _______________________________ 1. Simplify 8(x – 5) – x + 2 a) 7x – 38 b) 7x – 3 c) 7x + 5 d) 7x + 42 2. For the function y = 3x, what is the output when the input is –4? a) –12 b) –7 d) 1 c) –1 1 3 3. Ralph bought one sweater for $19.99 and 3 pairs of socks. In all, he spent $28.96 before sales tax. Which equation can be solved to find the price of each pair of socks? a) 19.99 = 28.96 + 3x b) 3(19.99 + x) = 28.96 c) 28.96 = 19.99 + 3x d) x + 3(19.99) = 28.96 4. Mr. Kiln earns a base salary of $55,300 plus 5% commission on sales. His total sales for one year were $235,000. What will be his total pay for the year? a) $11,750 b) $67,050 c) $172,800 d) $237,765 5. A manager said the per item profit should be no less than $14. Which graph shows the acceptable profits? a) b) c) d) 6. Which describes the solutions of t + 5 < 1? a) numbers less than –4 b) numbers less than or equal to –4 c) numbers less than 4 d) numbers less than or equal to 4 7. A park charges $20 plus $5 per hour to rent a boat. Which function gives the total amount charged? a) c(x) = 25x b) c(x) = 20 + 5x c) c(x) = 20x + 5 d) c(x) = 25 + x 8. Which ordered pair does NOT lie on the graph of h(x) = –2x + 7? a) (–2, 3) b) (3, 1) c) (–1, 9) d) (4, –1) 9. For which situation would you expect to see NO correlation? a) The age of a computer and the number of times it crashes. b) The number of trees on a property and the number of leaves on the ground. c) The height of a person and the number of books they read last year. d) The number of chips in a bag and the length of time since it was opened. 10. What are the next three terms in the arithmetic sequence: 2.2, 3.7, 5.2, . . . . . ? a) 5.7, 6.2, 6.7 b) 6.4, 7.6, 9 c) 6.7, 8.2, 9.7 d) 7.8, 11.7, 17.55 c) 6 d) 10 11. What is the x-intercept of 3x – 5y = 30? a) –10 b) –6 12. What is the slope of the line that contains (–3, 4) and (7, 5)? a) 1 10 b) 1 4 c) 4 d) 10 13. Which equation has the same slope as y = 4x – 5? a) 4x – 2y = 0 b) y = 5x + 7 c) 3y – 12x = 21 14. Which is the equation of the line through (0, 7) with a slope of a) y 7 x 2 b) y 1 x7 2 c) y 1 x7 2 d) 5y = 4x – 6 1 ? 2 d) y 1 7 x 2 2 15. Which pair of lines is perpendicular? a) y = 3x and y 1 x 3 c) y = 4x – 6 and y = 4x + 6 b) y = x + 2 and y d) y 1 x 2 3 4 x 1 and y x 1 4 3 x y 2 16. Which ordered pair is the solution of ? 3y x 8 a) (7, 5) b) (4, 2) c) (1, 3) d) (–2, 2) 17. There are 60 books on a shelf, some fiction and some nonfiction. The number of fiction books is 6 more than twice the number of nonfiction books. Which system can be used to find how many of each type are on the shelf? f n 60 a) f n 2n f n 60 b) f 2n 6 f 60 n c) f 2(n 6) f 60 n d) f 2n 6 c) (5, –3) d) (9, 5) 2x y 13 18. Solve by showing all work: 3x y 12 a) (–19, –3) b) (–3, 5) 19. A system is graphed and the graph shows 2 parallel lines. How many solutions would the system have? a) none b) 2 c) 1 d) infinitely many