# 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 635939: The sum of -3x and 7 is equal to 14. What is x? Click here to see answer by rose joseph(1)

 Question 636032: Explain, in complete sentences, whether or not the expression x2 + 24x + 144 fits one of the special patterns. If so, which one? Explain how the polynomial is factored. Provide the factors. Click here to see answer by ewatrrr(10682)

 Question 636047: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 5y = 52.5 30x – 7y = 80.5 Click here to see answer by Alan3354(30955)

 Question 636027: Consider two lines that form a linear system. Line 1: slope = 4 and y-intercept of (0,-3) Line 2: slope = 4 and y-intercept of (0,8) Part 1: What type of lines would this be? Part 2: How many solutions does this system have? Click here to see answer by KMST(1863)

 Question 636160: I have to determine the unique solution in a system of linear standard slope form y intercept, equations already given of a graphed perpendicular line or lines that cross each other. Help, I forgot how to simply find the unique coordinate. (?# , ?#) I have screen shot if that will help you help me better Penny Click here to see answer by jim_thompson5910(28476)
 Question 636160: I have to determine the unique solution in a system of linear standard slope form y intercept, equations already given of a graphed perpendicular line or lines that cross each other. Help, I forgot how to simply find the unique coordinate. (?# , ?#) I have screen shot if that will help you help me better Penny Click here to see answer by solver91311(16868)

 Question 636173: how do i solve p equal 144p over y Click here to see answer by Alan3354(30955)

 Question 636182: Alex has twice as much money as Jennifer. Jennifer has \$6 less than Shannon. Togethere they have \$54. How much money does each have? Click here to see answer by stanbon(57214)

 Question 636294: Write an equation of the line containing the given pont ans parallel to the given line. (7,-6); 4x-9y=5. The equation of the line is Y=__________? Click here to see answer by reviewermath(500)

 Question 636295: Find an equation of the line containing the given pair of points (-1,-3) and (-4,-7). Can you please show in detail the part where you multiply the fraction also? Click here to see answer by reviewermath(500)

 Question 636324: What is the equation of the line passing through (0, 2) and perpendicular to the line y = 4x – 3 in slope-intercept form? Click here to see answer by MathLover1(6612)
 Question 636324: What is the equation of the line passing through (0, 2) and perpendicular to the line y = 4x – 3 in slope-intercept form? Click here to see answer by ewatrrr(10682)

 Question 636174: Write the equation of the line contining the given points perpendicular to y= 2x-1, contains (2,7) Click here to see answer by ewatrrr(10682)

 Question 634781: A vampire enters a town and bites 2 person every night. The bitten 2 persons grows in to two big vampires and bites 4 persons the next night. These 4 vampires bites 6 people the next night and the 6 bites 8 and so on.......how many vampires will be there on the 5th night? Click here to see answer by jim_thompson5910(28476)

 Question 636440: Today the amount A of garbage in pounds produced after t days by the average American is given by A = 4.5t Click here to see answer by Alan3354(30955)

 Question 636477: I need to graph this problem showing the points as well. i am stuck and i cant seem to get it right Arrgghh :) thank you in advance -3x+5y=25 Click here to see answer by lwsshak3(6460)

 Question 636427: Find the slope‐intercept equation of the line with the following properties: Parallel to the line y= 6; containing the point (5,7) Click here to see answer by Maths68(1474)

 Question 636561: The base of a triangle is 8 cm less than its height. If the area of the triangle is 42cm^2, find its base and height. Click here to see answer by shebi123(1)

 Question 636544: Explain, in complete sentences, how you would completely factor 2x3 – 24x2y + 12xy – 144y2 by using the grouping method. How would you check your factors for accuracy? Click here to see answer by KMST(1863)

 Question 636798: Solve the system of linear equations algebraically and check any solution. x+y+z=6 2x-y+z=3 3x -z=0 Click here to see answer by ewatrrr(10682)

 Question 636913: Write an equation in slope-intercept form of the line satisfying the given conditions. The line passes through (9, -5) and is parallel to the line whose equation is y=3x + 4. Type the slope-intercept form of the equation of the line. Click here to see answer by stanbon(57214)

 Question 637009: Solve the equations for x and y: 3x - 5y = -9 4x + 5y = 23 x = y = Click here to see answer by reviewermath(500)

 Question 637010: The linear equation: x2 + y2 = 100 If x = 6, value/s of y: Select one: 1. None of the above 2. +8 3. -8 4. +8 or -8= Click here to see answer by ewatrrr(10682)
 Question 637010: The linear equation: x2 + y2 = 100 If x = 6, value/s of y: Select one: 1. None of the above 2. +8 3. -8 4. +8 or -8= Click here to see answer by VirtualMathTutor(25)

 Question 637052: Find an equation of the line parallel to the line y-axis and through the point (7, 4). Click here to see answer by solver91311(16868)

 Question 637127: Each of the following is a system of equations that is NOT linear. Each is linear in form because an appropriate substitution (say 'u' for 1/x and 'v' for 1/y) yields a linear system. Solve for the new variable, and then solve for the original variable. 2/x + 1/y = 0 5/x + 2/y = -5 I would highly appreciate it if you could help. Click here to see answer by ewatrrr(10682)

 Question 637190: IF the graph of the equation y=-x-5 were drawn on the grid, which of the points would be on the line? Click here to see answer by jim_thompson5910(28476)

 Question 637261: Find the slope and y-intercept (if possible) of the equation of the line algebraically, and sketch the line by hand. 5x-2=0 Click here to see answer by solver91311(16868)

 Question 637270: Find the slope-intercept form of the equation of the line that passes through the points. Use a graphing utility to graph the line. (-8,1) , (-8,7) Click here to see answer by reviewermath(500)

 Question 637278: Please show me how to solve this liner equation: 3x + 4 = 7 Click here to see answer by meetkisai(17)