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

Algebra ->  Algebra  -> Coordinate-system -> Questions on Algebra: Coordinate systems, graph plotting, etc answered by real tutors!      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

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

 Question 38647: A general equation of the family of lines perpendicular to 2x-5y=7 is... THE ANSWER IS: 5x+2y=k (BUT HOW DO U GET THIS?) please tell me how and why this is the answer YOUR HELP IS MOST APPRECIATED, THANK YOU SO MUCH Click here to see answer by Earlsdon(6287)

 Question 38703: if y = 5x + 3, is the slope 5/1 or 5/0? Click here to see answer by Nate(3500)

 Question 40430: . Find the equation, in slope-intercept form, of the line that passes through the points (5,2) and (-7, 3). Click here to see answer by mbarugel(146)

 Question 40614: Tell whether the points are the vertices of a parallelogram (that is not a rectangle), a rectangle, or neither. (-7, -1), (2, -10), (16, -3), (7, 8) Click here to see answer by smik(40)

 Question 40798: The equation of the st. line passing through (5,2) and (-7, 3) is = Cross multiplying (x-5) = -12(y-2) Expressing y in terms of x y = + 2 = -x + This is the slope intercept form of the given st. line. Ans.: The slope is - and length of its intercept on x-axis is . Click here to see answer by psbhowmick(529)

 Question 40943: if points A,B,C on a coordinate line have cooridnates -5,3,and 10 respectively, find d(A,C) + d(B,C). Click here to see answer by venugopalramana(3286)

 Question 41214: By what number should you muliply the first equation to solve using elimination (of the x variable)? -2x-3y=-4 -6x+4y=-38 a. 2 b. -4 c. 2 d. -2 Click here to see answer by fractalier(2101)

 Question 42363: How exactly can I graph this using the intercept method.I'm totally lost.. Click here to see answer by psbhowmick(529)

 Question 42362: This was in our practice ,and I'm lost. Click here to see answer by psbhowmick(529)
 Question 42362: This was in our practice ,and I'm lost. Click here to see answer by rapaljer(4667)
 Question 42362: This was in our practice ,and I'm lost. Click here to see answer by venugopalramana(3286)

 Question 42501: Write the equation of the line x-intercept (12,0) and y-intercept (0,4). Click here to see answer by Nate(3500)
 Question 42501: Write the equation of the line x-intercept (12,0) and y-intercept (0,4). Click here to see answer by nik_consult(24)

 Question 42715: hi can you pls help me to my assignment? 2x+y=1 i need you help Click here to see answer by tutorcecilia(2152)

 Question 42704: Inequality 2 x-10 <3 express the solution as an interval. thanks Click here to see answer by fractalier(2101)

 Question 42837: what is the slope and y-intercept of a -2x+y=-1 Click here to see answer by fractalier(2101)

 Question 42917: what is the equation of the ellipse with foci at (0,-4)and (0,4)and the sum of its focal radii being 10 Click here to see answer by fractalier(2101)

 Question 42916: what is the equation of the ellipse with foci at (0,-4)and (0,4)and the sum of its focal radii being 10 Click here to see answer by fractalier(2101)

 Question 42915: write an equation of a circle with center at the origen and radius 6. Click here to see answer by fractalier(2101)

 Question 42914: what is the equation of the perpendicular bisector of the line between the poins (2,2)and (6,6) 96 Click here to see answer by fractalier(2101)

 Question 42913: what is the equation of the perpendicular bisector of the line between the poins (2,2)and (6,6) 96 Click here to see answer by fractalier(2101)

 Question 42911: find the coodinates of the point c, halfway between the points a (5,1) and b (-2,7) Click here to see answer by fractalier(2101)

 Question 43213: Find the distance d(A,B) between the points A(-1,0) and B(4,3). I graphed it to be 5, I'm asking to see if my answer is right. thanks for any help given. Click here to see answer by Nate(3500)

 Question 43214: Find all points having an x-coordinate of 2 whose distance from the point (-2,-1) is 5. Click here to see answer by Nate(3500)

 Question 43215: determine the point A(x,y) so that the points A(x,y), B(0,3), C(1,0), D(7,2) will be the vertices of a parallelogram. I plotted it to be A(6,5) I'm asking to see if I plotted it right. Thanks for looking it over with me. Click here to see answer by Nate(3500)

 Question 43218: find all points on the x-axis that are 5 units from the point (4,-3) Click here to see answer by Nate(3500)

 Question 43523: Hello, I need help with the following question: If points A, B, and C on a coordinate line have coordinates -5, 3, and 10 respectively, find d(A,C)+d(B,C). Click here to see answer by jake_6233(74)

 Question 43663: Find the distance from the point (-1,6) to the line y=2x-1. Click here to see answer by checkley71(8403)

 Question 43734: find the slope of the line containing the following 1)(-1,6)and(0,3) 2)(1\2,-1)and(3\4,2) 3)(6,6)and(7,4) THANKS A LOT VERY MUCH !!!!!!!! Click here to see answer by benni1013(197)

 Question 44382: For the set of data below, give the window settings provided by the ZoomStat option. x -2 -1 0 1 2 y 7 6 3 2 0 a. xmin = -2.4 xmax = 2.4 ymin = -1.19 ymax = 8.19 b. xmin = -10 xmax = 10 ymin = -10 ymax = 10 c. xmin = -0.7 xmax = 7.7 ymin = -2.68 ymax = 2.68 d. xmin = -3 xmax = 3 ymin = -9 ymax = 9 e. None of the others Click here to see answer by stanbon(57387)

 Question 44471: Having problem with my assignment, would someone plesae help me? Determine the point A(x,y) so that the points A(x,y),B(0,3),C(1,0),D(7,2) will be the vertices of a parallelogram. Find an equation for the line with y-intercept 3 that is perpendicular to the line y=2/3(actaully the fraction two-thirds)x-4. Click here to see answer by venugopalramana(3286)

 Question 44659: Determine if the pair of lines are parallel. -8x + 2y = 8 y = (1/4)x-3 I came up with (-2,-4) and (4,-2) or should I have solved seperately for x and y in each problem. Click here to see answer by adamchapman(301)

 Question 44975: find the possible values of a if the points with the given coodinates are the indicated distance apart (4,7), (a,3); d = 5 how do you do it? o.O <--- weird face lol Click here to see answer by stanbon(57387)

 Question 44973: find the possible values of a if the points with the given coordinates are the indicated distance apart. (4,7),(a,3); d=5 (5,a), (6,1); d= square root of 10 (6,-3),(-3,a); d= square root of 130 Click here to see answer by Nate(3500)

 Question 45157: I got this wrong. Solve this by the following system by graphing. Click here to see answer by rapaljer(4667)

 Question 45336: Find the midpoint of the segment that joins them. (2,-1), (4,3) Click here to see answer by Nate(3500)
 Question 45336: Find the midpoint of the segment that joins them. (2,-1), (4,3) Click here to see answer by tutorcecilia(2152)

 Question 45344: make a table of values and sketch the graph of the equation. and test for symmetry.4y= x (square) Click here to see answer by Nate(3500)

 Question 45349: Find an equation of the circle that stisfies the given conditions centerCenter at the origin; passes through (4, 7) Click here to see answer by Nate(3500)

 Question 45346: Find an equation of the circle that stisfies the given conditions center (2, -1); radius 3 Click here to see answer by tutmath(14)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925