# Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

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 Question 244451: what is the answer x+y=5 and x-y=-6 this lesson is chapter 4.3 graphing by intercepts i need help please&thank you i am in the 9th grade in algebra 1 Click here to see answer by checkley77(12569)

 Question 244707: HOW DO YOU WRITE 3X-8Y=24, 4X+2Y=-10, 3X-5Y=-25 IN A SLOPE INTERCEPT FORM? Click here to see answer by solver91311(18785)
 Question 244707: HOW DO YOU WRITE 3X-8Y=24, 4X+2Y=-10, 3X-5Y=-25 IN A SLOPE INTERCEPT FORM? Click here to see answer by checkley77(12569)

 Question 244723: hello, i am trying to do my algebra and i am very lost. I need help graphing the solution set... X>0 Y>0 X+Y<6 Click here to see answer by edjones(7794)

 Question 244808: iDont Know If iAm In The Right Subject, But Pleasee SomeOne Help Me, Do HomeWork Lol, It Says Graph The Equation, y+x=14 Click here to see answer by richwmiller(10279)

 Question 244814: find the slope of the line passing through (2,-4) AND (7,3) Click here to see answer by jim_thompson5910(29613)

 Question 244824: I need the slope for 4x-4=0, I can not find my notes for the section... Click here to see answer by Alan3354(34677)

 Question 244833: My problem is 3/2,-3 0,2/5 this involves the y2-y1 x2-x2 I'm having some problems with the fractions. Click here to see answer by jim_thompson5910(29613)

 Question 244875: I know that Linear relationships between 2 quantities can be described by an equation or a graph. My question is which one is more informative. Why and why not? What are the advantages and disadvantages? Thanks for your time. Click here to see answer by Theo(3556)

 Question 244976: find the equation in slope-intercept format that is perpendicular to the line. 2y-5x+5=0 Click here to see answer by Alan3354(34677)

 Question 245177: I am having a lot of trouble with these problems: x=y^2-8y-1 x=(y+2)^2-4 we have to graph them Click here to see answer by stanbon(60771)

 Question 245206: You are running in a marathon. You either run 8 miles per hour or walk 4 miles per hour. Write an equation to show the relationship between time ran and time walked during the 26.2 mile course and then graph the equation. I tried to use 8X + 4Y = 26.2 but it did not work out. If you could just help me get the right equation then I can do the graph and the following couple of problems which are all related to this equation. Thanks in advance for your help! Click here to see answer by stanbon(60771)

 Question 245335: How can I find an ordered pair that is a solution of X = 1/4. I'm not quite sure how to solve this, since it just gives me the X information. Click here to see answer by dabanfield(803)

 Question 245417: Solving Systems by Graphing could some one show me how to do this 3x-y=3 and 6x+y=5 I have looked in my textbook,looked online i would like to know how to go about sovling these and how to get the plot points so i can graph them. Thank you Click here to see answer by stanbon(60771)

 Question 245427: Sketch the solution set to the following system of inequalities. If there is a solution, indicate so by shading the appropriate region. Otherwise do not shade any region. Click here to see answer by solver91311(18785)

 Question 245521: How am i suppoesed to graph this eqation? y=-2x+8 Click here to see answer by Alan3354(34677)
 Question 245521: How am i suppoesed to graph this eqation? y=-2x+8 Click here to see answer by College Student(505)

 Question 245519: I need help with this problem: 1)Graph the follwing information in the given coordinate systems. (Be sure to use the information in the eqatuions to help you make your graphs.) Don't forget to draw the lines! y+6=3/2(x-4) I just don't understand how I am supposed to graph the equation when it is not in slope intercept form. Click here to see answer by checkley77(12569)

 Question 245563: slope intercept form through: (-5,-2), parallell to y=x-1 Click here to see answer by checkley77(12569)

 Question 245561: slope intercept form through: (5,-4), perpendiular to y=4 Click here to see answer by checkley77(12569)

 Question 245818: Can someone help me. 1. Given the pair of linear equations in two variables: •Find the x- and y-intercepts (if any) for each line. Show your work. •Plot those intercepts, and graph the two lines. Submit your graph through the Dropbox. •Apply elimination or substitution to find the coordinates of the point of intersection (if there are no solutions or infinite solutions, state this). Show your work. x + y = -9 x + y = 3 Click here to see answer by stanbon(60771)

 Question 245825: I do not understand how to write an equation of a line passing through a point with an already given slope. Ex. (3,-4); m=2/3 Click here to see answer by dabanfield(803)

 Question 245843: Find an equation of the line containing the given point and having the given slope. (1/2,2), m= -1 I have tried to work this out several different ways and come to b=0...i don't think this is right at all...could someone please show me what in the world i am doing wrong....thanks!! Click here to see answer by Alan3354(34677)

 Question 245891: What is a good website/program to graph numbers on a number line, coordinates, and functions? I did have a trial program, but I lost it when I have to reformat my computer. Click here to see answer by Alan3354(34677)

 Question 245839: solve the system of inequalities y>x^2+1 over 2x-y>4 Click here to see answer by jsmallt9(3438)

 Question 245910: I need help on slope intercept form. How would I solve a problem like 7x+y=3 Click here to see answer by solver91311(18785)

 Question 245935: please help with these 10 problems thanks question 1 when you use a protractor to draw an angle that opens to the right what degress should be on the right question 2 in every polygon that has n sides there are a n triangles b n/2 triangles c 2n triangles d n- 2 triangles problem 3 to find the sum of the interior angles of a regular polygon a n (180) b 2n (180) c n/2 (180) d n-2 (180) problem 4 each angle in a regular otagon measures a 120 b 130 c 140 d 135 problem 5 find the ordered pair that is a solution to this system of inequalities y>x+1 y>-x+3 a y>2,3 b y>1,2 c y>4,5 d y>5,6 problem 6 state the oredere pair that satifies the equation 2x-5y=-1 a (2,4/5) b (0,3/5) c (1,4/5) d (1,3/5) problem 7 a toy designer wants to create a set of toys with a center of gravity. the best choice of concurrnent lines and points to place the center of gravity would be a the centroid b the orthocenter c the incenter d the circumcenter problem 8 in an equilateral triangle the inceter is the intersection of a 3 medians b 3 perpendicular bisectors c 3 altitudes d 3 angle bisectors problem 9 in an equilateral triangle the cirumcenter is a on leg a b on leg b c on leg c d the inside of the triangle problem 10 in an equilateral triangle the centroid is the intersection of a 3 angle bisectors b 3 perpendicular bisectrs c 3 altitudes d 3 medians Click here to see answer by solver91311(18785)
 Question 245935: please help with these 10 problems thanks question 1 when you use a protractor to draw an angle that opens to the right what degress should be on the right question 2 in every polygon that has n sides there are a n triangles b n/2 triangles c 2n triangles d n- 2 triangles problem 3 to find the sum of the interior angles of a regular polygon a n (180) b 2n (180) c n/2 (180) d n-2 (180) problem 4 each angle in a regular otagon measures a 120 b 130 c 140 d 135 problem 5 find the ordered pair that is a solution to this system of inequalities y>x+1 y>-x+3 a y>2,3 b y>1,2 c y>4,5 d y>5,6 problem 6 state the oredere pair that satifies the equation 2x-5y=-1 a (2,4/5) b (0,3/5) c (1,4/5) d (1,3/5) problem 7 a toy designer wants to create a set of toys with a center of gravity. the best choice of concurrnent lines and points to place the center of gravity would be a the centroid b the orthocenter c the incenter d the circumcenter problem 8 in an equilateral triangle the inceter is the intersection of a 3 medians b 3 perpendicular bisectors c 3 altitudes d 3 angle bisectors problem 9 in an equilateral triangle the cirumcenter is a on leg a b on leg b c on leg c d the inside of the triangle problem 10 in an equilateral triangle the centroid is the intersection of a 3 angle bisectors b 3 perpendicular bisectrs c 3 altitudes d 3 medians Click here to see answer by JimboP1977(308)

 Question 245937: Find the midpoint for A=(-6,6) B=(8,-8) don't understand how to apply formula and solve. Can someone give me the simpliest method for understanding. Click here to see answer by Alan3354(34677)
 Question 245937: Find the midpoint for A=(-6,6) B=(8,-8) don't understand how to apply formula and solve. Can someone give me the simpliest method for understanding. Click here to see answer by solver91311(18785)

 Question 245815: I need help. Thank 1.Translate the problem into a pair of linear equations in two vaiables. Solve the equations using either elimination or substitution. State your answer for the specified variable. 2. Ellen wishes to mix candy worth \$1.80 per pound with candy worth \$2.40 per pound to form 48 pounds of a mixture worth \$2.00 per pound. How many pounds of the more expensive candy should she use? . Given the pair of linear equations in two variables: •Find the x- and y-intercepts (if any) for each line. Show your work. •Plot those intercepts, and graph the two lines. Submit your graph through the Dropbox. •Apply elimination or substitution to find the coordinates of the point of intersection (if there are no solutions or infinite solutions, state this). Show your work. 15x + 11y = -17 8x - 6y = 74 Click here to see answer by oberobic(2304)

 Question 246020: When graphing a linear inequality, how do you know if the inequality represents the area above the line? Click here to see answer by marcsam823(57)

 Question 246064: Solve each system by the addition method. Determine whether the equations are independent, dependent, or inconsistent x-y= 3 -6x+6y=17 Click here to see answer by Theo(3556)