# 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 90488: Solve the system by graphing. x – 2y = 8 x + y = –1 Click here to see answer by stanbon(57290)

 Question 90507: Find the slope of the line passing through the points (0, –3) and (7, –5) thank you for your help Click here to see answer by jim_thompson5910(28546)

 Question 90487: Solve the system by graphing. x + y = 4 –x + y = 2 Click here to see answer by jim_thompson5910(28546)

 Question 90480: Graph the inequality. 2x + 3y > 6 Click here to see answer by jim_thompson5910(28546)

 Question 90486: Solve the system by graphing. x – y = 5 x + y = 3 Click here to see answer by jim_thompson5910(28546)

 Question 90509: A roof rises 7.5 ft over a horizontal distance of 12.27 ft. What is the slope of the roof to the nearest hundredth? thank you for your help Click here to see answer by checkley75(3666)

 Question 90433: Solve the system by graphing. 3x + y = 6 3x – y = 0 Click here to see answer by checkley75(3666)

 Question 90428: Solve the system by graphing. 2x + y = 4 x + y = 3 Click here to see answer by checkley75(3666)

 Question 90598: One more that I cannot get even with working on it for 2 days! an airplane covered 13 miles of its route while decreasing its altitude by 18,000 ft. Find the slope of the airplane's line of descent. Round to the nearest hundredth. (Hint: 1 mi = 5280 Ft) Click here to see answer by stanbon(57290)
 Question 90598: One more that I cannot get even with working on it for 2 days! an airplane covered 13 miles of its route while decreasing its altitude by 18,000 ft. Find the slope of the airplane's line of descent. Round to the nearest hundredth. (Hint: 1 mi = 5280 Ft) Click here to see answer by Earlsdon(6287)

 Question 90597: I cannot wrap my brain around this for some reason. A roof rises 7.25 ft over a horizontal distance of 16.62 ft. What is the slope of the roof to the nearest hundredth? Click here to see answer by stanbon(57290)

 Question 90679: Solve the system by graphing. 4x + 2y = 10 y = 4 Click here to see answer by Edwin McCravy(8904)

 Question 90575: Please solve and graph the following solution sets of inequalities. Thank you! I have been sitting here for the longest trying to figure them out. 1.) 3x > 2x - 4 2.) 7(x - 3) > 5x - 14 Is this correct? 7.(x - 3) > 5x - 14 Click here to see answer by vertciel(183)

 Question 90701: Given m = -2 and the y-intercept =3, given me an equation in the slope intercept format Click here to see answer by checkley75(3666)

 Question 90700: Given the following two points, (-4, -2) & (-1, -5), develop an equation in the slope-intercept format Click here to see answer by checkley75(3666)

 Question 90697: Given one point on the graph (-3, -5) and the slope m = -2, develop an equation in the slope-intercept format. Click here to see answer by checkley75(3666)

 Question 89927: This is from a worksheet: Solve the inequality: 8x - 9 (divided by -4) < - 23 (divided by 8) Click here to see answer by bucky(2189)

 Question 90784: Solve the system by graphing. 3x – y = 1 3x – y = 2 Click here to see answer by praseenakos@yahoo.com(507)

 Question 90773: Explain how the graph of y-5=(x-3)squared can be obtained from the graph of y=x squared. Click here to see answer by stanbon(57290)

 Question 90785: Solve the system by graphing. x + 2y = 4 x + 2y = –2 Click here to see answer by praseenakos@yahoo.com(507)

 Question 90783: Solve the system by graphing. x + y = 3 x + y = –1 Click here to see answer by praseenakos@yahoo.com(507)

 Question 90781: Solve the system by graphing. 4x + 2y = 10 y = 4 Click here to see answer by praseenakos@yahoo.com(507)

 Question 90804: What is the answer to this problem when you multiply 7w(2w - 3)(2w + 3) What is the process for solving this problem? Thank you. Click here to see answer by malakumar_kos@yahoo.com(315)

 Question 90812: I have to multiply using the vertical method. Can I get some assistance and somebody to explain how the process is done? (2r - 3s)( 4r^2 + 6rs + 9s^2) Thanks. Click here to see answer by malakumar_kos@yahoo.com(315)

 Question 90788: Identify the axis of symmetry, find the x-intercepts, create a suitable table of values, and then sketch the graph (including the axis of symmetry). y = x^2 – 4x Click here to see answer by malakumar_kos@yahoo.com(315)

 Question 90779: Solve the system by graphing. x – 2y = 8 x + y = –1 Click here to see answer by malakumar_kos@yahoo.com(315)

 Question 90778: Solve the system by graphing. 2x + y = 4 x + y = 3 Click here to see answer by malakumar_kos@yahoo.com(315)

 Question 88789: Sketch the graph of the hyperbola y^2/25- x^2/4= 1. Draw the fundamental rectangle. Find the equations of the asymptotes and label the asymptotes on your graph. Click here to see answer by Nate(3500)

 Question 90833: Write the equation of the line with slope 4 and y-intercept (0, –5). Then graph the line Click here to see answer by praseenakos@yahoo.com(507)

 Question 90830: Solve the system by substitution. x + y = 12 y = 2x Click here to see answer by checkley75(3666)

 Question 90835: Write the equation of the line with slope -1/2 (fraction) and y-intercept (0, 3). Then graph the line. Click here to see answer by malakumar_kos@yahoo.com(315)

 Question 90831: Solve the system by substitution. 3x – y = –7 x + y = –9 Click here to see answer by malakumar_kos@yahoo.com(315)

 Question 90829: Solve the system by addition. 5x – 3y = 13 4x – 3y = 11 Click here to see answer by malakumar_kos@yahoo.com(315)

 Question 90828: Solve the system by graphing. 3x + y = –1 9x + 3y = –3 Click here to see answer by malakumar_kos@yahoo.com(315)

 Question 90827: Solve the system by graphing. 2x + 4y = 2 x + 2y = 1 Click here to see answer by malakumar_kos@yahoo.com(315)

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