# Questions on Algebra: Coordinate systems, graph plotting, etc answered by real tutors!

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 Algebra: Coordinate systems, graph plotting, etc Solvers Lessons Answers archive Quiz In Depth

 Question 116141: Find an equation of the line passing through the points (−15, −7) and (18, −7). Write your equation in standard form. Click here to see answer by jim_thompson5910(28476)

 Question 116505: Find the value of "y" so that the line passing through the two points has the given slope: (5,7) , (8,y) m= 4/3 Click here to see answer by princess08(3)

 Question 116643: Find the slope of a line that passes through the points (-1, 5) and (6, - 4). Click here to see answer by checkley71(8403)

 Question 116686: hey um i am not sure if this is where this question should go but i will put it here any way so well i am kc harper the question: find the x intercept x+4y=-2 so well ANSWER IT PLEASE!!!!!!!! i beg of you! haha Click here to see answer by stanbon(57203)

 Question 116703: hey again haha i am not sure where to put this but i am wanting to know what i should do for this problem step by step if at all possible... i have already asked it but i want a more thorow explanation cause i dont know what to do with it i am home-schooled and my family is bad at math so yea if someone would please just tell me what i should do with this: find the X-intercerpt of the line 1. X+4Y=-2 i want to know how to put it so i wont like mess up and answer it all wrong and i am prolly typing way too much in this little box but yea wuteva Click here to see answer by stanbon(57203)

 Question 116726: hey me again how do you find the x intercept of a line Click here to see answer by MathLover1(6611)
 Question 116726: hey me again how do you find the x intercept of a line Click here to see answer by anne(47)

 Question 116718: is x=-2 the answer to the following question find the x intercerpt of the line x+4y=-2 Click here to see answer by scott8148(6628)

 Question 116769: How far apart are the y-intercepts of the line with the equation y=2x + 3 and the line goes through the point (4,2) and has a slope of -1? Click here to see answer by Fombitz(13828)

 Question 116852: Solve the system by graphing. x - y = 2 3x - 3y = 6 Thanks for your help, I've been stuck on this one for a while. Click here to see answer by MathLover1(6611)

 Question 116862: Determine wether the lines through the pairs of points are parallel,perpendiular, or neither. 12x+4y = 16 27x+9y = 40 Click here to see answer by checkley71(8403)

 Question 116870: A cabin cruiser travels 20 miles in the same time that a power boat travels 40 miles. The cruiser travels 5 mph slower than the power boat. Find the speed of each boat. Click here to see answer by checkley71(8403)

 Question 117175: Write an equation in standard form of the line that is the perpendicular bisector of the line segment with the given endpoints. (-2, 1) (8, 3) Click here to see answer by checkley71(8403)

 Question 117214: Solve the system by substitution. 3x – y = –7 x + y = –9 Click here to see answer by jim_thompson5910(28476)

 Question 117212: Solve the system by graphing. x – 2y = 8 x + y = –1 Click here to see answer by checkley71(8403)

 Question 117213: Solve the system by addition. 5x – 3y = 13 4x – 3y = 11 Click here to see answer by jim_thompson5910(28476)
 Question 117213: Solve the system by addition. 5x – 3y = 13 4x – 3y = 11 Click here to see answer by checkley71(8403)

 Question 117204: Write the equation of the line that passes through point (–5, 18) with a slope of –5. Click here to see answer by jim_thompson5910(28476)

 Question 117211: Solve the system by graphing. x – 2y = 8 x + y = –1 Click here to see answer by jim_thompson5910(28476)

 Question 117206: Write the equation of the line passing through (–6, –9) and (1, –9). Click here to see answer by jim_thompson5910(28476)
 Question 117206: Write the equation of the line passing through (–6, –9) and (1, –9). Click here to see answer by checkley71(8403)

 Question 117234: Determine which two equations represent perpendicular lines. (a) y = 4x – 7 (b) y = x + 7 (c) y = – x + 7 (d) y = x – 7 Click here to see answer by stanbon(57203)
 Question 117234: Determine which two equations represent perpendicular lines. (a) y = 4x – 7 (b) y = x + 7 (c) y = – x + 7 (d) y = x – 7 Click here to see answer by checkley71(8403)

 Question 117147: determine whether the lines through the paris of points are parallel, perpendicular, of neither 3x-12y=11 64x+12y=-18 Click here to see answer by checkley71(8403)

 Question 117559: What is the value of y for the line that has a slope of -2/3 and passes through the points (3,5) and (7,y)? Click here to see answer by jim_thompson5910(28476)

 Question 117568: which line is parallel to the line y=4x-2 a. 12x-4y=8 b. 4y-16x=10 c. 5y-25x=-10 d. -x+4y=-8 Click here to see answer by bucky(2189)

 Question 117775: Solve the system by graphing. x - y = -3 x - y = 4 Thank you. Click here to see answer by jim_thompson5910(28476)

 Question 117230: find the equation of the line perpendicular to and passes through (-2,5) Click here to see answer by misscrt(37)

 Question 118498: how do I tell wether a graph represents y as a funtion of x? Click here to see answer by stanbon(57203)

 Question 118614: find equation of line that passes through (-3,-3) and is parallel to x-2y=-7 Click here to see answer by jim_thompson5910(28476)

 Question 118744: What is the graph of x + y = 1 ? Thank you Click here to see answer by jim_thompson5910(28476)

 Question 118746: What are the points that lie on the line 2x + 3y + 5 = 0 Thank you Click here to see answer by checkley71(8403)

 Question 118863: Find the center and radiu of the circle and sketch its graph. = Click here to see answer by Edwin McCravy(8879)

 Question 118868: We are using McDougal Littrells Algebra 1 book for my math class. My teacher uses homework generated from a web site. I do not know the site so I'm having difficulty getting an explanation of it. Below are the instructions along with a few problems. "Extra Practice 4.1 In 1-12, sketch the lines on the coordinate plane. Then find the point at which the lines intersect. 1.) x=3, y=2 2.) x=-2, y=4 " I don't understand what I'm being asked to do; x and y in these problems are points on a graph rather than a line, and if they're treated as a slope and y intercept- it still only graphs a single line (which will intersect with nothing!) What am I missing here? Click here to see answer by Earlsdon(6287)

 Question 119182: WRITE AN EQUATION OF THE LINE PASSING THROUGH THE POINT (3,4) AND IS PERPENDICULAR TO THE X-AXIS THIS QUESTION IS FROM INTEGRATED MATHEMATICS TEXTBOOK Click here to see answer by solver91311(16868)

 Question 119191: Find the x and y intercepts of the equation 3x-5y=9 Click here to see answer by jim_thompson5910(28476)

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