1. Refer to the graph below. Which statement is not true? A. Lines a and b appear to intersect at (3, 3). B. Line a does not intersect the x-axis. C. Lines a and c appear to intersect at (3, 3). D. Lines b and c appear to intersect at (1, 2). Hint 2. Solve the system x = 2 and y  5 = 0. A. (-5, 2) B. (-2, 5) C. (2, -5) D. (5, -2) Hint 3. Refer to the graph below. Which statement is not true for the system of equations? A. The graphs appear to intersect at one point. B. There is one solution to this system of equations. C. This system of equations is dependent. D. This system of equations is consistent. Hint 4. Two tour boats travel from the mainland to an island 100 miles from shore. The first boat leaves at 8 a.m. and travels at a speed of 20 miles per hour. The second boat leaves at 9 a.m. and travels at a speed of 30 miles per hour. When will the second tour boat pass the first tour boat? A. 10 A.M. B. 1 P.M. C. 11 A.M. D. noon Hint 5. The sum of the digits of a twodigit number is 7. If the tens digit is 1 more than the units digit, what is the number? A. 43 B. 52 C. 34 D. 25 Hint 6. Solve the system 3x  7y = 9 and 4x + 2y = 12. A. (-3, 0) B. (3, 0) C. (0, -3) D. (0, 3) Hint 7. How many solutions does the system y = x2 and y = 3x  5 have? A. 2 B. 3 C. 1 D. none Hint 8. Solve the system y = 2x2  6 and y = 4x. A. (1, 4), (3, 12) B. (1, 4), (3, 12) C. (1, 4), (3, 12) D. (1, 4), (3, 12) Hint 9. Which statement is true about the system of inequalities and y > - 4? A. The graph of the related equation y = 4 will be a solid line. B. The graph of y = x does not pass through the point (0, 0). C. The graph of y = 4 is a vertical line. D. The graph of the related equation y = x will be a solid line. Hint 10. State whether the graph is consistent and independent, consistent and dependent, or inconsistent. A. none of the these B. consistent and independent C. consistent and dependent D. independent Hint 11. Use substitution to solve the system 2y + x = 6 and 2x  4y =-12. A. no solution B. (-3, 0) C. (0, 3) D. all ordered pairs Hint 12. The sum of the digits of a two-digit number is 13. If the tens digit is 3 more than the units digit, what is the number? A. 42 B. 24 C. 58 D. 85 Hint 13. Use elimination to solve the system 5x  4y= 14 and 7x + 3y = 11. A. (2, -1) B. (-2, 1) C. (-1, 2) D. (1, -2) Hint 14. Which point is a solution of the system of inequalities shown in the graph below? A. (-2, 4) B. (0, 3) C. (0, 0) D. (3, 5) Hint