Question 151026: (1) x+3y=6 (2) x=2 (3) y=-1 (4)Determine wether graphs of pairs of line are parallel x+11=y and y-x=-7 (5) Determine wether the graph of the pair of lines are parallel 3x+6=y and 2y=6x-5 yes or no (6) same question as (5) but this equation as a perpendicular 2x-3y=7 and 2y=3x=3 yes or no (7) Find the slope-intercept equation of the line that has the given characterctics slope 3 and y-intercpt (0,6) The slope-intersept equation is y= (8) As question as (7) bt this equation Slope 1.7 and y-intercept (0,-2) Th slope-intercept equation y= (9) Find an equation of line having the given slope and containing the given point m=7(8,3) The equation of lines is y= (10) find an equation of the line having the given slope and containing the given point m=6/7,(5,-5) The equation of the lines is y= (11) Find an equation of the line containing the given pair of points. Express your answer in the form x=b,or y=mx+b What is an equation of the line? y= Simiplify the answer (12) Find an equation of the line conatining the given of points (-3,-4) and (-7,-5) The equation of the line is y= simifily the answer. Use integers or fraction or any number expression.(13) Find an equation of the line containing the given pair of points (1/4,1/2 and 3/4,5 What is the equation of the line y= Simpifly the answer. Type answer in the form y=mx+b using integers or fraction (14) Wrie an equation of the line containing thegiven point and parallel to line givn Express answer in the form y=mx+b (6,8);x+7y The eqation of line is y= Simipfily, use integers or fraction for number in expression (15) Write an equation of the line containing the given points and parallel to given line express the answer in form of y=mx+b (-3,6);3x=4y+7 Line y= (16) write an equation of the line containing the given point and perpendicular to given line (4,5);6x+y=4 (17)same as (16) but perpendicular (8,-7);4x+7y=3 y= (18)Media Services charges $30. for the phone and $20./month for its economy plan cost, C(t) of operating a Media Services phone for (t)months. C(t)= (19) The table list data regarding the average salaries of serveral professional athletes in the years 1991 and 2001. a) Use the data points to find a linear function that fits the data. b) Use the function to perdict the average salary in 2005 and 2010. Data year 1991 average salary $252,000. and 2001 $1,470,000 A linear function that fits the data is S(x)= Let x= the number of years since 1990, and let S= the average salary x yeras from 1990. (20) In 1920 the record for a certain race was 46.6 sec. In 19940, it was 46.0 sec. Let R(t)= the record in the race and t= the number of year since 1920 a) Find a linear function that fits the data b) Use the function in(a) to perdict the record in 203 and 2006. c) Find the year when the record will be 43.8 sec. Find a linear function that fts the data R(t)= Round to the nearest Hundreth (21)In 1995, the life expectancy of males in a certain county was 71.9 years. in 1999, it was 75.8 years. let E represent the life expectancy in year (t) and let (t) represent the number of years since 1995 The linear function E (t) that fits the data is E(t)= answer (t)+ answer round to nearest tenth
Answer by Fombitz(32388)   (Show Source):
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