# 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 412540: Find the slope of a line parallel to the line that passes through the following points: (4, 0) and (3.8, 2) Click here to see answer by solver91311(16890)

 Question 412628: how could you tell when a graph has a linear Click here to see answer by rfer(12660)

 Question 412698: Find the equation for the line that is perpendicular to the line with the equation 3/4x+3y=51/4 passing through the point (-3,-1) Click here to see answer by layaya(7)

 Question 412865: find the slope,if possible, of the line passing through each pair of points (2, -1) and (6, 3) Click here to see answer by stanbon(57356)

 Question 412890: how to graph a line with the indicated slope and y intercept. Slope = -7 and y-intercept (0,9) Click here to see answer by rfer(12660)

 Question 412874: A line k passes through the points (4, 2) and (-4, 4). A second line h passes through the points (-8, 1) and (8, -3). Is line k parallel to line h? Why or why not? ( Click here to see answer by mananth(12270)

 Question 412954: give an ordered pair (m,n)of numbers that satisfy the equation 4m+n=4 Click here to see answer by shree840(260)

 Question 412957: -5 ÷ m2 – 2(m – 2), for m = 1 Click here to see answer by DR-motherfuckin-E(1)
 Question 412957: -5 ÷ m2 – 2(m – 2), for m = 1 Click here to see answer by Alan3354(30993)

 Question 412999: 2x + y = 8 y = -x + 5 Click here to see answer by ewatrrr(10682)

 Question 412729: Use the graph of y = x^2 + 4x - 5 to answer the following: a) Without solving the equation or factoring, determine the solution(s) to the equation, , using only the graph. Answer: Explain how you obtained your answer(s) by looking at the graph: b) Does this function have a maximum or a minimum? Answer: Explain how you obtained your answer by looking at the graph: c) What are the coordinates of the vertex in (x, y) form? Answer: d) What is the equation of the line of symmetry for this graph? Answer: Click here to see answer by ewatrrr(10682)

 Question 413022: The width of a rectangle is 3ft less then the lenght. The Perimeter is 62ft. Find the lenght and the width of the rectangle Click here to see answer by rfer(12660)

 Question 413067: 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 shree840(260)
 Question 413067: 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 rfer(12660)

 Question 413101: Write a function rule to describe. The selling price s(c) after a 45% markup of an item as a function of the stores' cost c. Click here to see answer by ewatrrr(10682)

 Question 413211: Write each equation in slope-intercept form. Then identify the slope and the y-intercept for each line: 2x-y=12 Click here to see answer by solver91311(16890)

 Question 413301: I need to graph linear equations and I have isolated "y" but then I am drawing a blank as to where to go from there. How do you find the solution sets for 4x+y=16 Click here to see answer by rfer(12660)

 Question 413343: How do i use the substitution method for -3x+y=4 x+13y=22 Click here to see answer by algebrahouse.com(1079)

 Question 413559: 1. How do I find the equation of the line passing through the point (1,1) and parallel to y=5x-6? 2. How do I find the equation of the line passing through the point (1,5) and parallel to 4x+7y=18? Hello, I am having a very hard time with this coordinate geometry problem. Can anyone please help? Thanks so much! Click here to see answer by sudhanshu_kmr(1152)

 Question 413566: Hello, I am stuggling with this co-ordinate geometry problem. Any help is greatly appreciated! Find the equation of the perpendicular bisector of the interval joining (-5,2) and (3,-4). Leave your answer in general form. Thank you so much for your time and consideration! Click here to see answer by ewatrrr(10682)

 Question 413564: Hi, can anyone help figure out these two coordinate geometry problems?: 1) How do I find the equation of the line passing through (12,4) and perpendicular to y=3x+6? Leave answer in general form. 2) How do I find the equation of the line passing through (6,10) and perpendicular to 3x-4y=12? Leave answer in general form. Thank you so much for your time! I have test on these tomorrow. Click here to see answer by Alan3354(30993)

 Question 413589: Decide whether the pair of lines is parallel, perpendicular or neither. 4x+3y=3 3x+4y=9 Here is what I have: 4x+3y=3 3y=-4x+3 y=-4/3x + 3/3 (= 1) 3x+4y=9 4y=-3x+9 y=-3/4x + 9/4 What would that make this and can you help explain the difference? I am pretty sure that parallel has the same slope and perpendicular is -1/x. I maybe be totally wrong, but I think it is neither. Help would be appreciated. Thank you much, Jeffrey G Click here to see answer by ewatrrr(10682)
 Question 413589: Decide whether the pair of lines is parallel, perpendicular or neither. 4x+3y=3 3x+4y=9 Here is what I have: 4x+3y=3 3y=-4x+3 y=-4/3x + 3/3 (= 1) 3x+4y=9 4y=-3x+9 y=-3/4x + 9/4 What would that make this and can you help explain the difference? I am pretty sure that parallel has the same slope and perpendicular is -1/x. I maybe be totally wrong, but I think it is neither. Help would be appreciated. Thank you much, Jeffrey G Click here to see answer by Alan3354(30993)

 Question 412566: Without graphing, determine whether the following pairs of lines are (a) parallel, (b) perpendicular, or (c) neither parallel nor perpendicular: 5x-6y=19 6x+5y=-30 Click here to see answer by ewatrrr(10682)

 Question 413634: Will you please help me write an equation for in slope intercept that passes through given point and is parallel to the graph of the given equation. (1,-3);y+2=4(x-1) Thank You Click here to see answer by sudhanshu_kmr(1152)

 Question 413711: -x + 4y = 8 use the intercepts to graph the equation Click here to see answer by rfer(12660)

 Question 413879: What is the positive or negative slope of 8x + 3y=24? Click here to see answer by richard1234(5390)

 Question 414087: I am stuck on a problem, my teacher only wants me to use the Elimination method 6x-y=20 3x-y=7 I am getting x=3 but when I substitute for x in the second equation I get 6(3) + y = 20 18 + y = 20 but I can't divide each side by 18 evenly, how do I solve for y? Click here to see answer by ewatrrr(10682)

 Question 414197: Solve the system of equations by graphing. Then classify the system as consistent or inconsistent and as dependent or independent x+y=16 x-y=-2 Click here to see answer by stanbon(57356)

 Question 414303: Points A(0, 2) and B(3, 20) lie on the graph of y = 6x + 2. Which of the following points is collinear with A and B (4, -7) (1, -2) (-2, 10) (0, -5) Click here to see answer by ewatrrr(10682)
 Question 414303: Points A(0, 2) and B(3, 20) lie on the graph of y = 6x + 2. Which of the following points is collinear with A and B (4, -7) (1, -2) (-2, 10) (0, -5) Click here to see answer by sudhanshu_kmr(1152)

 Question 414308: Points A(0, 2) and B(3, 20) lie on the graph of y = 6x + 2. Which of the following points is collinear with A and B (-2, 14) (1, 8) (-3, 22) (2, 12) Click here to see answer by ewatrrr(10682)

 Question 414312: The measure of Angle 2 = (3x -8) degrees and the measure of Angle 3 = (2y -17) degrees. What are the values for x and y Click here to see answer by stanbon(57356)

 Question 414375: the cost of cheese varies directly with the number of pounds bought.if 2 pounds cost \$8.40,find the cost of3.5 pounds Click here to see answer by emargo19(101)

 Question 414414: what is the slope of -3x + y= 0? Click here to see answer by rfer(12660)