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 106581: solve by graphing y = 3x - 4 y = -2x + 1 Click here to see answer by edjones(7569)

 Question 106632: Write in slope-intercept form the equation of the line discribed: m=1,b=-1 m=10,b=0 m=-4,b=-3/7 m=0,b=0 Click here to see answer by HyperBrain(694)

 Question 106630: what is the y-intercept for this question? y=-2x + 3 Click here to see answer by HyperBrain(694)

 Question 106653: Determine which two equations represent parallel lines. y = 3x-7 y = -3x+7 y = 3x + 5 y = -1/3x -7 My answer is y = 3x -7 and y = 3x +5. Click here to see answer by stanbon(57219)

 Question 106649: Write the equation of the line with slope -1/2 and y-intercept (0,3) Just double checking my work Y = mx + b y = -1/2x +5 Click here to see answer by stanbon(57219)

 Question 106648: Write the equation of the line with slope 4 and y-intercept (0,-5). Just double checking my work b=(-5)-4(0)= -5 y = -5 Click here to see answer by stanbon(57219)

 Question 106646: Are the following lines parallel, perpendicular or neither? L1 with equation x-3y =9 L2 with equation 3x+y=3 I used the formula y=mx+b but I don't know if that's right. 9= x - 3y 3 = x-y 3 = 3x+y 1=x + y Click here to see answer by stanbon(57219)

 Question 106738: Sketch an example of the following A) a line with a positive slope B) line with a negative slope C) line with a slope of 0 D) line with an undefined slope Click here to see answer by elima(1433)

 Question 106766: I need to find x and y ranges for the following problems and then graph accordingly. I need very detailed information and step by step help, if you can. I need to understand this. THANK YOU!!! 1. f(y)=-5y+3 2. f(x)=x^2-2x+1 Click here to see answer by stanbon(57219)

 Question 106746: Write an equation of the line that has each pair of intercepts. x-intercept: 3 y-intercept: 4 Click here to see answer by scott8148(6628)

 Question 106741: question : a line has an undefined slope, what can we you say about the horizontal coordinates of eachof the points on the line? Click here to see answer by scott8148(6628)

 Question 106740: if a line has a slope of 0 what can you say about the verticle coordinates of each the points on the line? Click here to see answer by scott8148(6628)

 Question 106739: if a line has a slope of 0 what can you say about the verticle coordinates of each the points on the line? Click here to see answer by scott8148(6628)

 Question 106862: is (3,4) a solution of y= -x + 7? Click here to see answer by jim_thompson5910(28476)

 Question 106887: Determine the x and y intercepts for the linear equation. x/3 + y/4 =1 Click here to see answer by tutorcecilia(2152)

 Question 106888: Find any intercepts. Then graph the linear equation. y=3/5x-3 Click here to see answer by tutorcecilia(2152)

 Question 106886: Find any intercepts. Then graph the linear equation. 2x-5y=5 Click here to see answer by Edwin McCravy(8880)

 Question 106936: 1.) write an equation of the line that passes through (4, 6) and is parallel to the line that passes through (6, -6) AND (10, -4) 2.)write an equation of the line that passes through (6, 10) and is parallel to the line that passes through (4, -6) AND (3, -4) Click here to see answer by checkley75(3666)

 Question 106952: Hello out there,I need some help with one tough problem,the problem is,Which of the following points are solutions to:2x-3y<0 and x+y>4 (2,3),(0,1),or(1,4),thanks to whoever can help. Click here to see answer by elima(1433)

 Question 107065: I have to solve the system for these two equations I'm stuck on what to do next: y=3/4x+2 and y=-3/4x+2 Click here to see answer by HyperBrain(694)

 Question 107064: I turned two problems into slop intercept form but I have to slove the sysytem. I'm stuck on what to do next: y= -3/2x+12 and y=3/2x+2 Click here to see answer by HyperBrain(694)

 Question 107066: I have to solve the system of this equation, I already put it in slope- intercept form, I am stuck on whta to do next: y=-3/8x-3/2 Click here to see answer by edjones(7569)

 Question 107152: Find the value of x so that the line passing through (10,5) and (x,9) has a slope of -2. Click here to see answer by stanbon(57219)

 Question 107151: What is the x-intercept of the line 1/2x + 3/5y=20? Click here to see answer by stanbon(57219)
 Question 107151: What is the x-intercept of the line 1/2x + 3/5y=20? Click here to see answer by edjones(7569)

 Question 107264: i am trying to help my daughter with her homework. i cannot solve the problem (-3,6), (3,0); y=x+2. i have to write in slope intercept form the equation of this line passing through the two points. Click here to see answer by Earlsdon(6287)

 Question 107265: graph f(x)=-3x^2+x-5 Graph the function f(x) = –3x2 + x – 5. Be sure to properly label the graph, which includes labeling the axes and the graph with its equation. Click here to see answer by HyperBrain(694)

 Question 107307: I have to graph this inequality. Am I on the right track? 4x + y > 4 4(0) + 0 > 4 0 > 4 false statement Click here to see answer by Fombitz(13828)

 Question 107311: Evaluate: f(x)= x^2 - 7x + 10; find a. f(0) b. f(5) c. f(-2) Just double checking to see if I'm doing these right. a. 0 = 0^2 - 7(0) + 10 b. 5 = 5^2 - 7(5) + 10 25 - 35 + 10 = 0 c. -2 = -2x^2 - 7(-2) + 10 4 - 14 + 10 = 0 Click here to see answer by Earlsdon(6287)

 Question 107314: Rewrite each equation as a function of x. Problem: -3x + 4y = 11 4y = 3x + 11 y = -3/4x + 11 f(x) = -3/4x + 11 Click here to see answer by Fombitz(13828)

 Question 107316: solve the system of linear equations 7/11x -1/6y=29/33 2/5x-1/3y=4/15 Click here to see answer by Fombitz(13828)

 Question 107395: Can someone help me with this problem? I think I am missing a step somewhere and I cannot figure out where. Find the slope and y-intercept by writing the equation in slope intercept form and graph. 3x+y=-2 Would you consider the y a 1? Thanks Click here to see answer by brandombe(4)
 Question 107395: Can someone help me with this problem? I think I am missing a step somewhere and I cannot figure out where. Find the slope and y-intercept by writing the equation in slope intercept form and graph. 3x+y=-2 Would you consider the y a 1? Thanks Click here to see answer by bucky(2189)

 Question 107392: Could someone please explain to me how to work this type of problem. I have tried to figure it out and keep coming up with the wrong answer. Find the slope and y-intercept by writing the equation in slope intercept form then graph, -4x-3y=6 I am totally stuck on this one Please help. Thank You Click here to see answer by bucky(2189)

 Question 107388: Find the following if f(x) = 5x -1 f(a-2) a-2 = 5(a-2) - 1 a-2 = 5a -10 - 1 -2 = -4 1 = 2 Double checking to see if I did these right Click here to see answer by bucky(2189)

 Question 107423: How do I solve by elimination: X-4Y=-23 2X+3Y=9 Click here to see answer by Annabelle1(69)
 Question 107423: How do I solve by elimination: X-4Y=-23 2X+3Y=9 Click here to see answer by bucky(2189)

 Question 107422: How do I solve by elimination: X-4Y=-23 2X+3Y=9 Click here to see answer by Annabelle1(69)

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