Test 231 7. 8. 3x 5y 2y 6 14. Determine if the lines are parallel, perpendicular, 5 4 21 y 1 4 21 y 1 9. Find the slope of the line, given the following information: a. The line passes through the points (7,3) and (1,8). b. The line is given by 6x 5y 1. or neither. a. b. y x 4 9x 3y 1 y x 3 15x 5y 10 c. d. 3y 6 5x 3y 9 x 0.5 3x 5y 10 15. Write an equation that represents a line subject to the following conditions. (Answers may vary.) a. A line that does not pass through the origin and has a positive slope b. A line with an undefined slope c. A line perpendicular to the y-axis.What is the slope of such a line? d. A slanted line that passes through the origin and has a negative slope 12 6x 3y 1. 8, 3x y 7. Monthly Earnings ($) Number of Cars 6400 5600 4800 4000 3200 2400 1600 800 2 4 6 8 10 12 14 16 18 20 y x 16. Write an equation of the line containing the points ( ) and (4, 0). 17. Write an equation of a line containing ( ) and parallel to 18. Write an equation of the line that passes through the point ( ) with slope 2. Write the answer in slope-intercept form. 19. Write an equation of the line that passes through the point (10,3) and is perpendicular to Write the answer in slope-intercept form. 20. Jack sells used cars. He is paid $800 per month plus $300 commission for each automobile he sells. a. Write an equation that represents Jack’s monthly earnings y in terms of the number of automobiles he sells x. b. Graph the linear equation you found in part (a). 4, 3 2, 3 10. Given the equation 3x 4y 4, a. Write the line in slope-intercept form. b. Determine the slope and y-intercept. c. Graph the line, using the slope and y-intercept. 5 4 y 543 2 1 1 2 3 4 5 11. The slope of a line is 1 2 3 4 5 a. Find the slope of a line parallel to the given line. b. Find the slope of a line perpendicular to the given line. 12. Describe the relationship of the slopes of a. Two parallel lines b. Two perpendicular lines 13. Two points are given for each of two lines. Determine if the lines are parallel, perpendicular, or neither. L1: 14, 42 and 11, 62 1 and 10, 32 L2: 2, 02 7. x 3 2 1 5 4 3 1 2 3 4 5 2 3 4 5 x 3 2 1 54 3 1 2 3 4 5 2 3 4 5 6 x 3 2 1
miller_intermediate_algebra_4e_ch1_3
To see the actual publication please follow the link above