NAME ____________________________________________ DATE _____________________________ PERIOD _____________ Chapter 3 Test, Form 1 SCORE _____________ Write the letter for the correct answer in the blank at the right of each question . 1. Where does the graph of y = –3x – 18 intersect the x-axis? A (0, 6) B (0, – 6) C (6, 0) D (–6, 0) 2. Tickets to see a movie cost $5 for children and $8 for adults. The equation 5x + 8y = 80 represents the number of children (x) and adults (y) who can see the movie with $80. If no adults see the movie, how many children can see the movie with $80? F6 G 10 H 13 J 16 1. _______________ 2. _______________ For Questions 3-5, find the slope of each line described. 3. the line through (3, 7) and (–1, 4) ! ! A B C 4. the line through (–3, 2) and (6, 2) ! ! F G H0 J undefined 4. _______________ 5. a vertical line A1 C –1 D undefined 5. _______________ ! ! ! ! B0 !! D ! ! !! 3. _______________ 6. Which graph has a slope of –3? F G H J 6. _______________ 7. COMMUNICATION In 1996, there were 171 area codes in the United States. In 2007, there were 215. Find the rate of change from 1996 to 2007. ! A 44 B4 C D –4 ! 7. _______________ For Questions 8 and 9, use the arithmetic sequence 12, 15, 18, 21, . . . . 8. Which is an equation for the nth term of the sequence? F 𝑎! = 3n + 9 H 𝑎! = 12n + 3 G 𝑎! = 9n + 3 J 𝑎! = n + 3 9. What is the 12th term in the sequence? A 38 B 42 Chapter 3 C 45 8. _______________ D 48 49 9. ______________ Glencoe Algebra 1 NAME ____________________________________________ DATE _____________________________ PERIOD _____________ Chapter 3 Test, Form 1 (continued) 10. Suppose y varies directly as x, and y = 26 when x = 8. Find x when y = 65. F 3.25 G 20 H 47 J 211.25 10. _______________ For Questions 11 and 12, use the graph shown. 11. Which line has an y-intercept of –2? Aℓ Ct Bp D both ℓ and t 11. _______________ 12. Which line is the graph of y = 2x + 4? Fℓ H the x-axis Gp Jt 12. _______________ 13. Which arithmetic sequence has a proportional related function? A –4, –1, 2, . . . B 0, –2, –4, . . . C 1, 2, 3, . . . D – , 0, , . . . 14. Write y + 1 = –2x – 3 in standard form. F 2x + y = –4 G y = –2x – 4 H –2x – y = 4 J x + y = –2 14. _______________ 15. Find the root of 5x – 20 = 0. A –20 B0 C4 D5 15. _______________ ! ! ! ! ! ! 13. _______________ 16. Determine which sequence is an arithmetic sequence. F 3, 6, 12, 24, . . . H –7, –3, 1, 5, . . . ! ! ! ! ! ! G , , , ,... J –10, 5, – , , . . . 16. _______________ 17. Find the next three terms of the arithmetic sequence 5, 9, 13, 17, . . . A 21, 23, 25 B 21, 25, 29 C 41, 45, 49 D 21, 41, 61 17. _______________ ! ! ! !! ! ! 18. Find the function that represents the relationship. F y = 8x H y = 14x + 8 G y = 8x + 14 J y = 14x + 14 19. Which equation is a linear equation? A 4m2 = 6 B 3a + 5b = 3 x 0 1 2 3 4 y 14 22 30 38 46 ! 18. _______________ ! C xy – y = 0 ! ! D x2 + y2 = 0 20. Write an equation in function notation for the relation at the right. F f(x) = 2x H f(x) = 1 – x G f(x) = x + 1 J f(x) = – x 19. _______________ 20. _______________ B: ______________ Bonus Graph y = x – 3 by using the x- and y-intercepts. Chapter 3 50 Glencoe Algebra 1