1. The system of equations on the graph shown is A. consistent and dependent. B. consistent and independent. C. consistent. D. inconsistent. Hint 2. What is the first step in solving the system of equations using the elimination method? A. Subtract the second equation from the first equation. B. Multiply the second equation by 2. C. Add the equations. D. Solve the first equation for x. Hint 3. Solve the system of equations. A. B. C. D. Hint 4. Solve the system of inequalities by graphing. A. B. C. D. Hint 5. Josh has 40 minutes to complete a government exam. There are 15 multiple-choice questions worth 3 points each. There are also 5 short-answer questions worth 11 points each. It takes about 2 minutes for Josh to answer the multiple-choice questions m and about 8 minutes to complete the short-answer questions s. Which inequality is not part of the system of inequalities that represents the problem? A. B. C. D. Hint 6. A baker earns 15¢ profit per glazed doughnut g, and 40¢ profit per jelly doughnut j. If a customer wants to buy no more than a dozen doughnuts and wants to try at least one of each kind, what is the maximum profit the baker can earn? A. \$1.80 B. \$4.80 C. \$4.55 D. \$3.30 Hint 7. Determine which ordered triple is a solution of the system of equations. A. (1, -2, 6) B. (0, 0, 11) C. (0, 1, -14) D. (-1, 2, -16) Hint 8. Solve the system of equations. A. (10, -1, 11) B. (1, -4, 6) C. (7, -2, 1) D. (13, 0, -4) Hint 9. Which of the following systems of equations is not consistent and independent? A. 2y + 4x = 3 7y + 5x = 18 B. y + 4x = 10 6y + 24x = 60 C. –y – 5x = 1 4y + 3x = 8 D. 7y + x = 9 3y + 9x = 4 Hint 10. Which of the following is always true about inequalities whose graphs do not overlap? A. Each slope is negative. B. Their slopes are equal. C. Each slope is positive. D. Their slopes are opposite reciprocals. Hint