# Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

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 Algebra: Linear Equations, Graphs, Slope Solvers Lessons Answers archive Quiz In Depth

 Question 199093: Find two linear functions, f and h, such that f(x)*h(x)=4x^2-12x-7. Click here to see answer by jim_thompson5910(28715)

 Question 199103: Find an equation of a line perpendicular to 2x-5y=20? Click here to see answer by Alan3354(31518)

 Question 199106: what is the slope for the line: (0,4100),(3,4850)? Click here to see answer by checkley75(3666)

 Question 199105: Find an equation of a line parallel to 2x-5y=20? Click here to see answer by checkley75(3666)

 Question 199205: Students of a class are made to stand in rows.If four students are extra in a row there would be two rows less.If four students are less in a row there would be four more rows.Find the number of students in the class? Click here to see answer by ankor@dixie-net.com(15746)

 Question 199240: what is the slope of the linear equation y=1/4x+11 4x-2y+8 Click here to see answer by checkley77(12569)

 Question 199276: Find the slope-intercept equation of the line that has the characteristics Slope 9.8 and the intercept (0,-7) Click here to see answer by rfer(12730)

 Question 199216: Write the equation of the line passing thru points (-7,2) and (5,8) in slope intercept form. what I have so far: m=8-2/5-(-7)= 6/-12 = m= 1/2 Click here to see answer by checkley77(12569)

 Question 199326: Write the equation of the line passing through the points (-7, 2) and (5, 8) in slope intercept form. Please show work. I know it's using m=y^2-y^1/x^2-x^1 and then point slope y-y^1=m(x-x^1) -- but the fraction is throwing me off. Please help. Thank you. Click here to see answer by checkley77(12569)

 Question 199536: Find the equation of a line through the point (2,-1) with a slope 4 Click here to see answer by jim_thompson5910(28715)

 Question 199528: I need to find the slope of a roof (I-Beam) From floor to I-Beam at front of building the height is 174 inches From floor to I-Beam at back of building the height is 120 inches. The beam is a distance of 1,800 inches. Help! Click here to see answer by rfer(12730)

 Question 199585: Daniela and Jack are hiking a steady incline. They use their GPS device to determine their elevation every 15 minutes. At 15 minutes and 30 minutes they were at elevations of 10,300 feet and 10,900 feet, respectively. a. Write an equation expressing their elevation in relation to time. b. Based on the formula you found above, what is their elevation after one hour? Click here to see answer by rfer(12730)

 Question 199595: hot to find the equation of a line with to points given (0,5) and (0,0)? Click here to see answer by vleith(2825)

 Question 199610: 3x-y=-3 2x+y=-7 i am trying to figure out how to find the x,y,xy corrdinates so i can graph the equation to find out this problem has one solution, no solution, or infininate solutions Click here to see answer by jim_thompson5910(28715)
 Question 199610: 3x-y=-3 2x+y=-7 i am trying to figure out how to find the x,y,xy corrdinates so i can graph the equation to find out this problem has one solution, no solution, or infininate solutions Click here to see answer by vleith(2825)

 Question 199586: The problem was a graph with a line drawn. How do i make and equation in slope-intercept form? Can you show me an example. Click here to see answer by jerrybassmasta(14)

 Question 199753: Which of the following equations represents a line I that goes through (-1,-3) and has a slope of 4? A) y=4x-3 B) y=4x+1 C) y=4x-1 D) y=4x+3 Click here to see answer by tutor_paul(490)

 Question 199769: A circular path around a lake has a diameter of 1,500 feet (ft). Pranotti jogs around the path 3 times for her morning run. How far does she run? Use 3.14 for and round your answer to the nearest foot. Click here to see answer by RAY100(1637)

 Question 199752: Line I goes through the point (5,-2) and is perpendicular to the line through (-2,1) abd (-4,-2). Find the slope of I. Choose from: A) - 2/3 B) - 3/2 C) 7/3 D) 0 Click here to see answer by rfer(12730)

 Question 199757: Which of the following equations represents a line I that goes through (12,-9) and has a slope of - 1/3? Choose from: A) y= - 1/3 - 5/3 B) y= - 1/3 x C) y= - 1/3 x - 5 D) y= - 1/3 x + 5 Click here to see answer by Alan3354(31518)

 Question 199790: What is the y-intercept of 3x - 2y = 0 Click here to see answer by RAY100(1637)

 Question 199963: Write the equation of the line perpendicular to 9x + 2y = 18 and passes through the point (1, 4). Click here to see answer by jim_thompson5910(28715)

 Question 200203: Find the slope of a line perpendicular to the line y=x Use the slope-intercept form of a linear equation to write the equation of each line with the given slope and y-intercept. slope -3; y-intercept (0, -1/5) write the equation of the line passing through the given points. write the equation in standard form Ax+By=C (8,-3) AND (4,-8) Write an equation of each line. Write the equation in the form x=a y=b or y =mx+b Through (-2,-3): perpendicular to 3x+2y =5 Find the equation of each line. Write the equation in standard form unless indicated otherwise. Through (3,5) perpendicular to the line 2x-y=8 Solve each system by graphing. -x +3y =6 3x - 9y = 9 These two are togther supposed to have a bracket around them as a whole. Use the substitution method to slove each system of equation. x= 3y -1 2x - 6y = -2 These two are togther supposed to have a bracket around them as a whole. Solve each sytem of equation 1/2x - 1/3y = -3 These two are togther supposed to have a bracket around them as a whole 1/8x + 1/6y =0 Click here to see answer by Alan3354(31518)

 Question 200202: Determine whether each pair of lines is a parallel, perpendicular, or neither. Line 1 goes through (-4,10) and (2,-3) Line 2 goes through (-3,8) and (2,-5) Click here to see answer by RAY100(1637)

 Question 200311: A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student wants an average (arithmetic mean) of exactly 87, what score must she earn on the fourth test? Click here to see answer by RAY100(1637)
 Question 200311: A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student wants an average (arithmetic mean) of exactly 87, what score must she earn on the fourth test? Click here to see answer by nerdybill(7003)

 Question 200386: How would i find a non linear equation for an in and out table of x=4 and y=2? Click here to see answer by MathKid2009(1)

 Question 200448: What is the equation of the line that contains the points with (x,y)coordinates (-3,7)and(5,-1)? Click here to see answer by jim_thompson5910(28715)

 Question 200461: whats the equation for each line with the given slope and point of (2,7),m=5/6. Click here to see answer by ankor@dixie-net.com(15746)

 Question 200472: what is the solution for this problem? y=5/6x+1 i need the answer as points so i can plot them in a graph. Click here to see answer by jim_thompson5910(28715)