2. Line m passes through the points (3, – 7) and (9,8). When line n is plotted, it has no points of intersection with with line m. Which of the following must be the slope of line n? 2 (1) 5

1. Find the slope of the line through P and Q. P(−9, 1), Q(8, −7)     2. Find the slope of the line through P and Q. P(2, 4), Q(0, 4)     3. Find the slope of the line through P and Q. P(8, −8), Q(9, −8)       4. Find an equation of the line that satisfies the given conditions. Through (4, 5) and (3, 7)         5, Find the slope and y-intercept of the line. (If an answer does not exist, enter DNE.) 3x − 4y = 12             4

1 Write a slope-intercept equation for a line passing through the point (6, 19) that is parallel to y =x+ 12. Then write a second equation for a line passing through the given point that is perpendicular to the given line 2 ... Which answer below is correct? OA. parallel: y =x+ 16 perpendicular: y = 2x + 31 1 2* O B. parallel: y =x+ 16 perpendicular: y = - 2x +31 2 Oc. 1 parallel: y =x + 19 perpendicular: y = - 2x + 19 Next Next esc 80 888 F3 FS की FB F10 %23 24 * 2 3 5 8 R. T. Y н K F.

11. What is the slope of the line passing through the given points: a) (3, 2) and (-1, 2) b) (-4, 2) and (-4,-2)? 12. Find the x and y intercepts of the line 2x-3y = 12 and use them to graph the line. (2pts) 13. Write the equation of the line with slope 2 and passing through (1, 3). 14. Internet Users. The number of Internet users I in millions during year x, where x ≥ 2000 can be approximated by the formula, I=116x-231,627. Approximate the year in which there were 490 million Internet users for the first time. 15. A jewelry maker incurs costs for a necklace according to C(x) = 35x+1650. If the revenue function for the necklaces is R(x) = 85x, how many necklaces must be sold to break even? In accounting and business, the break-even point is the production level at which total revenues equal total expenses. O Search @