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 101374: Graph by first solving for y. x + 2y = 8 Click here to see answer by doukungfoo(195)

 Question 101959: Can you solve this for me? Fnd the slope, delta y, delta x, y intercept, x intercept, midsection, and distance given only this information: (-6,14) (18,-4) Click here to see answer by stanbon(57342)

 Question 102056: find te area of the triangular region enclosed by the y-axix and the graphs of 6x+5y=30 and 2x-y=2. Click here to see answer by doukungfoo(195)

 Question 102254: Hi, I need to graph -x Squared and (-x) squared, with the substition for x being; 2, 0, -1, and -3 and i was wondering what is the difference between -x squared and (-x) squared. Click here to see answer by stanbon(57342)

 Question 102686: how do you find the intercepts for the graph of the equation x^2+y-36=0? Do you start by first solving the equation? Click here to see answer by Earlsdon(6287)

 Question 102811: I don't understand how to solve an equation in slope intercept form. Here is the equation, a line through (4,2) with slope 1/2. will you please explain how to solve this. Click here to see answer by jim_thompson5910(28595)

 Question 102884: How would you solve the problem in point-slope form? A line through (-1,1) and (2,3) Click here to see answer by jim_thompson5910(28595)

 Question 103332: Solve and graph the solution set on a number line. x + 10 > 4 Click here to see answer by HyperBrain(694)

 Question 103424: Solve each of the following systems by graphing 3x-6y=9 x-2y=3 Click here to see answer by elima(1433)

 Question 103998: Hello, I need help finding the equation of the axis of symmetry for the graph of y=x^2-7x+12, and help stating whether the axis of symmetry contains a maximum point of the graph. Thank you Click here to see answer by edjones(7569)

 Question 103996: Hello, I need help finding the equation of the axis of symmetry and the coordinates of the vertex of the graph of: y=2x^2+4x-5 Thank you Click here to see answer by jim_thompson5910(28595)

 Question 103973: One endpoint of a segment is (12, -8). The midpoint is (3, 18). Find the coordinates of the other endpoint. Click here to see answer by edjones(7569)

 Question 103999: Hello, I need help finding the coordinates of the vertex of the graph of y=6x^2-14x. Thank you Click here to see answer by scott8148(6628)

 Question 104475: describe how the graph of a line with undefined slope is situated in a rectangular coordinate system Click here to see answer by edjones(7569)

 Question 104474: find the slope of the line through the points (6,4) and (-4, -1) Click here to see answer by edjones(7569)

 Question 104473: 3x-2y=20 Find the x & y intercept and graph the equation. Click here to see answer by HyperBrain(694)

 Question 104562: What is the symmetries if any, of the equation x^2 + y^2=36 Click here to see answer by Fombitz(13828)

 Question 104661: Find the slope of any line perpindicular to the line through (0,5) and (-3,-4). Click here to see answer by HyperBrain(694)

 Question 104928: Graph 3x+2y=6 2y=-3x+6 y=-3x/2+6/2 y=3x/2+3 How would this be graphed? Would it be graphed with the line running through (2,0) and (3,0)? Click here to see answer by checkley75(3666)

 Question 105568: find the slope of any line parallel to the line through points (18,4) and (3,5) Click here to see answer by HyperBrain(694)

 Question 105559: i have to graph this equation. 6X-3Y=9, so far i think i add 2 n 9 together n then divide my answer by 2 is that correct? Click here to see answer by ankor@dixie-net.com(15650)

 Question 105723: give the coordinates of the points graphed below. R ( , ); S( ,); T( ,); V( ,) Am I suppose to use a graph or something??? Click here to see answer by tutorcecilia(2152)

 Question 102913: Solve each of the following systems by graphing. 2x-y=4 2x-y=6 Click here to see answer by HyperBrain(694)

 Question 105880: I don't know what I am doing wrong but I can't seem to get this right even using the solvers for this type problem.. Can someone please help me solve this before I pull out all my hair? Thank You. I have to find the midpoint of this line segment; P(2,8) Q(5,8) Thanks. Click here to see answer by bucky(2189)

 Question 106233: Find the value of "r" so the line that passes through each pair of points has the given slope. (4,-5), (3,r) m=8 My answer is -3. Am I correct? Here is how I got my answer: r - -5 over 3 - 4 8 = r- -5 _________ 1 -1 8(-1)= 1(r - -5) -8= 1r - -5 +5 +5 ____________ -3=r Click here to see answer by stanbon(57342)
 Question 106233: Find the value of "r" so the line that passes through each pair of points has the given slope. (4,-5), (3,r) m=8 My answer is -3. Am I correct? Here is how I got my answer: r - -5 over 3 - 4 8 = r- -5 _________ 1 -1 8(-1)= 1(r - -5) -8= 1r - -5 +5 +5 ____________ -3=r Click here to see answer by edjones(7569)

 Question 105679: 1)find the vertex and intercepts of the function: f(x)=x^2+x-2 2)Graph the linear equation: y=(2/x)x-2 3) Find the x and y intercepts of 4x+3y=-12 Please help. I am really lost here and needs some good examples so i can do my homework. thanks Click here to see answer by HyperBrain(694)

 Question 107080: I need help with the steps in solving this problem. It says solve by substitution 3x-5y=41, x-y=11 Thank you, Brina Click here to see answer by Annabelle1(69)

 Question 107079: I would really appreciate it if someone could help me solve this problem, write the equation of the line perpendicular to y=1/3x+5 and contains the point(1,4). The final equation has to be expressed in standard form. Thank you, Brina Click here to see answer by Annabelle1(69)