1. Determine the slope of a line through points at (-4, 3) and (5, -1). A. B. C. D. Hint 2. What is the slope of a horizontal line? A. 0 B. 1 C. -1 D. undefined Hint 3. An equation in point–slope form for the line shown in the graph below is________. A. y + 3 = –1(x – 0) B. y – 0 = –1(x – 3) C. y + 4 = 1(x + 1) D. y – 4 = 1(x – 1) Hint 4. If the graph of a line crosses the x–axis, that point of intersection is called the________. A. y–intercept B. slope of the line C. origin D. x–intercept Hint 5. If a line is drawn through points on a scatter plot and a negative relationship is shown, then _____. A. the slope of the line is undefined. B. as the values of x increase, the values of y decrease C. as the values of x increase, the values of y increase D. the slope of the line is 0 Hint 6. To find the y-intercept of the graph of an equation, you should _______. A. let x = 0 in the equation and solve for y B. let x = –1 in the equation and solve for y C. multiply the coefficients of x and y D. let y = 0 in the equation and solve for x Hint 7. The graph of the equation y = x is not the parent graph of _______. A. y = 5 B. y = 2x C. D. y = 3x Hint 8. Consider the equation . Which equation will have a steeper graph, but the same y–intercept? A. B. C. D. Hint 9. Write the point–slope form of an equation for the line passing through (2, 3) with slope 2. A. y – 3 = 2(x – 2) B. y + 2 = 2(x + 3) C. y + 2 = 2(x + 3) D. y + 3 = 2(x + 2) Hint 10. Write an equation in slope–intercept form of the line with slope -5 that passes through the point at (2, 3). A. y = 4x – 5 B. y = -5x –7 C. y = -5x + 13 D. y = 16x – 5 Hint 11. Determine whether the scatter plot shows a positive relationship, negative relationship, or no relationship. A. positive relationship B. cannot be determined C. negative relationship D. no relationship Hint 12. What is the equation of the graph? A. y = -3 B. x = 3 C. y = 3 D. x = -3 Hint 13. Which equation is parallel to the graph of y = 2x + and passes through the point (4, 7)? A. y = x + B. y = 2x – 1 C. y = 2x + 3 D. y = -x + Hint 14. Which equation's graph is perpendicular to the graph of the equation y = -x + 2 A. y = -x + 1 B. y = x – C. y = -x + D. y = x – 1 Hint