1. Which table is represented by the graph? A. B. C. D. Hint 2. Which table has correct ordered pairs for the equation x - 2y = 4? A. B. C. D. Hint 3. Which graph does not represent a function? A. B. C. D. Hint 4. A linear function that can be written in the form y = kx, where k0, is called a(n)_______. A. functional variation B. variable variation C. equivalent variation D. direct variation Hint 5. Which statement is not true about an inverse variation? A. If y varies inversely as x, then y is inversely proportional to x. B. The constant of variation is . C. In the equation xy = k, k is a constant. D. The product of the variables is constant. Hint 6. Choose the graph that expresses {(-3, 4), (-1, -5), (0, 2), (2, 3), (3, -4)}. A. B. C. D. Hint 7. Which of the ordered pairs is a solution of y = -4x – 4? A. (-2, 4) B. (0, 4) C. (1, -6) D. (3, -8) Hint 8. Select the correct graph for the relation y + 5x = 2 if the domain is{0, 1, 2, 3, 4}. A. B. C. D. Hint 9. Which is true of the equation y = cx where c is a constant? A. The graph will always cross the x-axis at exactly one point. B. The graph passes through the origin. C. The graph will be increasing. D. The graph will be decreasing. Hint 10. In physics the equation F = ma means ''force equals mass times acceleration.'' The acceleration of a freely falling object is 9.8 m/s2. Use the function F(m) = 9.8m to find the force in Newtons (N) of a freely falling object with a mass of 14 g. A. 8.2 N B. 137.2 N C. 1.43 N D. 23.8 N Hint 11. Which is the graph of y = -3x A. B. C. D. Hint 12. Which statement is not true about a direct variation? A. y varies directly as x. B. The constant of variation is . C. y is inversely proportional to x. D. The graph is straight line. Hint