# 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 51583: I have the following problem; Write the equation of the line which passes through the point (2,1) and is parallel to the equation y = 5/2x + 6. My answer is y= 5/2x - 1 is this correct? Please help. Click here to see answer by Earlsdon(6294)

 Question 51615: find the slope of the line that passes through points (-4,5) and (2,3). Click here to see answer by rchill(405)
 Question 51615: find the slope of the line that passes through points (-4,5) and (2,3). Click here to see answer by checkley71(8403)

 Question 51656: I have the following problem; Which of the ordered pairs (3,1), (0, -4), (-4,0),(-3,-7) are solutions to the equation x-y=4? My answer is (0,-4) and (-3,-7), is this correct? Click here to see answer by rchill(405)

 Question 51655: If I have graphed x,y cordinates of (5,6) and (5,6)would this make the slope of the graphed line 0 or undefined? This one is really confusing me. Please Help. Click here to see answer by checkley71(8403)

 Question 52094: find the coordinates of the midpoint of a segment with the given endpoints: A (0,0), B (-8,6) Click here to see answer by checkley71(8403)

 Question 52095: find the coordinates of the midpoint of a segment with the given endpoints: P(-12,-9), Q (2,10) Click here to see answer by checkley71(8403)

 Question 52096: find the perimeter (or circumference) and area of the figure described: Rectangle with length 10 cm and width 4.5 cm Click here to see answer by checkley71(8403)

 Question 52132: I'm not sure how to solve this problem because I'm having trouble finding the equation. The question is - The points (3,4), (11,6), and (23,9) lie on the same line. Calculate the coordinates of another point on this line whose x coordinate is greater than 800. Please help. Click here to see answer by checkley71(8403)

 Question 52166: Im in algebra 1 and i am getting a c- in that class. I think that i can do the homework reall easily when we recieve it. But when i get my graded paper back, i end up in a big mud puddle. what can i do to get a better grade in math? Click here to see answer by checkley71(8403)

 Question 53371: Please graph this equation 2x-3y=12 by first solving y. McGraw Hill 6th edition, chapter 6, section 3, problem # 34. Thank you so very much for your time! Click here to see answer by funmath(2926)

 Question 53369: Graph this equation y=3/4x+2. McGraw Hill 6th edition, chapter 6,section 3, problem # 20. Thanks so much for your help!!!!!!!!!!!!!!!!!!! Click here to see answer by funmath(2926)

 Question 53338: What ARE THE DIFFERENT LIFE USES OF THE COORDINATE SYSTEM? Click here to see answer by funmath(2926)

 Question 53367: Plot points with coordinates: (2,3) (3,4) (4,5). What do you observe? Can you give coordinates of another point with the same properties? This is TOUGH! They gave me a graph with y at the top and x on the right side. The lines are in the form of a cross in other words and there is a graph of small squares behind this. I could not copy and paste one like it. HELP!! McGraw Hill 6th edtion. Chapter 6 Section 2, problem number 23. Thanks!!! Click here to see answer by rapaljer(4670)

 Question 53932: Can someone just check this to see if I am correct?? Answer in slope int. form. A line through the points (-3,4) and (-4,6) first I found the slope (I THINK) 6-4/-4+3= slope of -2 y-4=-2(x+3) y-4=-2x-6 y=-2x-6+4 y=-2x-2 Click here to see answer by funmath(2926)
 Question 53932: Can someone just check this to see if I am correct?? Answer in slope int. form. A line through the points (-3,4) and (-4,6) first I found the slope (I THINK) 6-4/-4+3= slope of -2 y-4=-2(x+3) y-4=-2x-6 y=-2x-6+4 y=-2x-2 Click here to see answer by AnlytcPhil(1321)

 Question 54271: find the vertex, focus, directrix of the parabola by x^2 -4x -6y -16 = 0 Click here to see answer by Nate(3500)
 Question 54271: find the vertex, focus, directrix of the parabola by x^2 -4x -6y -16 = 0 Click here to see answer by stanbon(60771)

 Question 54302: I have a graph problem that has to be plotted. How can you help me solve this problem? Lost-- Sher Click here to see answer by funmath(2926)

 Question 54386: Can someone help me on this problem I need to find the slope of the lines graphed. Hope you will be able to pull up the problem from the above information. Thanks, Ashley Click here to see answer by funmath(2926)

 Question 54502: find the slope of the line that goes through the following points, i think it might be 6 but not sure..thanks (-1, 1), (-2, -5) Click here to see answer by rchill(405)

 Question 54500: find the slope of the line that goes through tht following points...thanks (-4, 6), (-8, 6) Click here to see answer by rchill(405)

 Question 54876: write an equation in slope intercept form for the line that satisfies each set of conditions. slope -1/2,passes through (1,3) Click here to see answer by checkley71(8403)

 Question 54874: state the slope & y intercept of the graph of each equation 2x-4y=10 Click here to see answer by funmath(2926)

 Question 54879: write an equation in slope intercept form for the line that satisfies each set of conditions. passes through (4,6) parallel to the graph of Y=2/3x+5 Click here to see answer by funmath(2926)

 Question 54878: write an equation in slope intercept form for the line that satisfies each set of conditions. passes through (7,1) and (7,8) Click here to see answer by funmath(2926)

 Question 54875: write an equation in slope intercept form for graph. (4,3) (7,-2) Click here to see answer by funmath(2926)

 Question 54985: Can someone please help me on this problem? I need to find the slope of the line through the following pairs of points: (-5, -3) and ( -5, 2) Click here to see answer by Nate(3500)

 Question 54988: How do you make a coordinate graph that shows the temperature changes? Click here to see answer by Nate(3500)

 Question 54987: What is a scale interval, and how do you use it with a coordinate graph? Click here to see answer by Nate(3500)

 Question 55199: Find the center and the radius of the circle whose equation is given: x^2+y^2+6x+8=0 Center = (_,_) Radius = _ Click here to see answer by Earlsdon(6294)
 Question 55199: Find the center and the radius of the circle whose equation is given: x^2+y^2+6x+8=0 Center = (_,_) Radius = _ Click here to see answer by venugopalramana(3286)
 Question 55199: Find the center and the radius of the circle whose equation is given: x^2+y^2+6x+8=0 Center = (_,_) Radius = _ Click here to see answer by stanbon(60771)

 Question 55186: What is the area defined by the following graphs: |x|+|y| is greater than or equal to 2 and |x|+|y| is less than or equal to 5 Click here to see answer by venugopalramana(3286)

 Question 55221: I am stuck on correct answer for: on a right triangle, what is length of AC? A = top of triangle B = bottom left corner C= bottom right corner Between line between B and C is the length of 6 Between line between A and B is the length of 10 What is correct resolve to this? Click here to see answer by venugopalramana(3286)

 Question 55220: I am stuck on correct answer for: if a triangle had these degrees of measurement what would be the degree measure for B? A = left side of trangle is degree measure of 30 C = top of triangle is degree measure of 100 B = ? What is correct resolve to this? Click here to see answer by venugopalramana(3286)

 Question 55222: I am stuck on correct answer for: The square root of 17 is a number between: solution is either: 10 and 12 8 and 10 6 and 8 4 and 6 2 and 4 What is correct resolve to this? Click here to see answer by tutorcecilia(2152)

 Question 55425: find the center and radius of a circle, given the following equation of the circle x^2+y^2=100 Click here to see answer by piyu(4)