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

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 Algebra: Graphs, graphing equations and inequalities Solvers Lessons Answers archive Quiz In Depth

 Question 29051: Find the slope of the line passing through the points (–1, –8) and (–4, 4). Click here to see answer by QueenVoda(11)

 Question 29108: how do i change from slope intercept form to standard form please help Click here to see answer by wuwei96815(245)

 Question 29050: Find the slope of the line passing through the points (–4, 1) and (–4, 4). Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29049: Solve the system by addition –4x + 5y = 1 x – 4y = 19 Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29125: Find the slope and the y-intercept. y = 7x Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29126: Multiply and write the result in simplest form. 2/9 x 4/5 Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29054: Solve: 4x/1 + 1 = 6x/6 – 7 Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29161: Hi! Could you please explain how do I do this probblem. a) find the center-radius from of the equation of each circle b) graph it center (5-4) radius 7 How do I know which way the line is going to be? Thanks Click here to see answer by Nate(3500)

 Question 29123: Graph f(x) = –x – 2. Click here to see answer by elima(1433)

 Question 29118: Plot the point with coordinates (3, –5). Can any one show me how to do this Click here to see answer by elima(1433)

 Question 29138: Solve the system by graphing. 3x + y = 6 3x – y = 0 Click here to see answer by Earlsdon(6287)

 Question 29052: Plot the point with coordinates (3, –5). Can anyone help me here Click here to see answer by Earlsdon(6287)

 Question 29171: find the slope for (7,-2)&(-5,1) Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29172: not positive if i have graphed correctly 5x+3y=15 need to make sure Click here to see answer by Nate(3500)

 Question 29169: could someone please help me? solve by graphing: x^2-4x+3=0 and -x^2+6x-5=0 Click here to see answer by Nate(3500)

 Question 29079: what does range in graphing mean Click here to see answer by Nate(3500)

 Question 29215: Solve. 6(2 – x) = 4x Click here to see answer by Nate(3500)

 Question 29213: Find the LCM for 4 and 20. Click here to see answer by Nate(3500)

 Question 29202: Solve the system by graphing. 3x + y = 6 3x – y = 0 Click here to see answer by bmauger(101)

 Question 29206: Find the slope and the y-intercept. y = –3x + 8 Click here to see answer by bmauger(101)
 Question 29206: Find the slope and the y-intercept. y = –3x + 8 Click here to see answer by Nate(3500)

 Question 29204: If a = –5 and b = 0, evaluate 2a + 3b Click here to see answer by longjonsilver(2297)

 Question 29208: Divide. Write the result in simplest form. 4/3* 1/2 Click here to see answer by Nate(3500)

 Question 29207: Write the equation of the line that passes through point (0, 7) with a slope of 8/3 . Click here to see answer by Nate(3500)

 Question 29205: Solve the system by addition. 3x – 8y = 3 6x + 4y = 1 Click here to see answer by Nate(3500)

 Question 29121: Solve for c. a = 1/2 bc2 Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29075: Is it possible for the graph of an inequality to consist of only one number? Click here to see answer by longjonsilver(2297)
 Question 29075: Is it possible for the graph of an inequality to consist of only one number? Click here to see answer by Nate(3500)

 Question 29017: Hi, Could you please help me solve this absolute value equation?. How do i get rid of the negative sign before the absolute value? y = - /x-4/ Thanks Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29251: Divide. 7 7/15 and 3 1/5 Click here to see answer by elima(1433)

 Question 29254: Plot the point with coordinates (3, –5). Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29358: How do you find "x" and the vertex of a problem such as y=(x+5)(x+3) Click here to see answer by atif.muhammad(135)

 Question 29128: y=1/4x-3 Click here to see answer by elima(1433)

 Question 29253: Divide. 4v to the 9th w to the 10th times 25v9th w to the 10th over 5v to the 9th w to the 9th Click here to see answer by elima(1433)

 Question 29388: find 4/7 of 32 Click here to see answer by Nate(3500)

 Question 29369: x=9 Click here to see answer by Nate(3500)

 Question 29479: "Find the center-radius form of the equation of the circle described. Then graph the circle, and give the domain and range." "Center (-1,2), radius 3" I know that the equation is (x+1)^2 + (y-2)^2 = 9 My problem is "What is the domain in interval notation?" and "What is the range in interval notation?" Thanks for any help! Click here to see answer by longjonsilver(2297)

 Question 29538: how do you determine an equation from the zeros for example -3/4, 2/5 -4+2(square root)3 -4-2(square root)3 Click here to see answer by AnlytcPhil(1276)

 Question 29562: Please help me with this function question a) Use the graph to find the x interval(s) on which the function is positive. b) Use the graph to find the x interval(s) on which the function is negative. I only have the graph but not sure how to find the x interval. What does it mean by positive and negative? Click here to see answer by bmauger(101)

 Question 29588: how can i find the equation (in standard form) of a circle that is tangent to the y-axiz with the center (-8,-7)? Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29624: When graphing a linear inequality, how do you know if the inequality represents the area above or below the line and when is the line itself included or not included in the solution? Click here to see answer by Cintchr(481)

 Question 29728: my daughter is working on substituion methods in her chapter system of equations and inequalities trouble with this problem 5x-y=1 3x+y=1 any help is greatly appreciated thank you Click here to see answer by stanbon(57246)

 Question 29732: could someone help me determine whether the system has one solution, no solution, or infinitely many solutions for the following problems? y= -x+2 3x+3y=6 Also this problem: y= 2/3x 2x-y= -4 Click here to see answer by stanbon(57246)

 Question 29791: write the equation of the line passing through (-6,-3) and (-6,1) i tried -3-1/-6-6= -4/6..i get messed up after this part. Click here to see answer by sdmmadam@yahoo.com(530)

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