# 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 22820: Find and equation of the line containing the points (6,-3) and (9,-4). This has to be in slope intercept form. y=mx+b Click here to see answer by Paul(988)

 Question 22665: I need 4 points one in each quadrant. I also need the problem for the numbers to work out. Like y=2X-3 or something like that. Thank-You Click here to see answer by Longtolive(6)

 Question 22623: Can someone help me solve for y: 5(4x + 3) <= -1/2y + 5 20x + 15 <= -1/2y + 5 20x + 15 - 5 <= -1/2y 20x + 10 <= -1/2y I get lost after this. Click here to see answer by rapaljer(4667)

 Question 22622: Can someone help me solve for x? (2x + 3y) + 3x = -3(y-4x) this is as far as I got 2x + 3y + 3x = -3y + 12x 5x + 3y = -3y + 12x 3y + 3y = 12x - 5x 6y = 7x Click here to see answer by rapaljer(4667)

 Question 22855: can u tell me how to find the slope of the line whose equation is given: y = 3x + 2 (without using a graph to get the answer) Click here to see answer by Earlsdon(6287)
 Question 22855: can u tell me how to find the slope of the line whose equation is given: y = 3x + 2 (without using a graph to get the answer) Click here to see answer by Longtolive(6)

 Question 22863: How can you use a quadratic formula to solve the following equations? 0 = x^2 + x - 20 0 = x^2 - 5x + 6 Click here to see answer by stanbon(57361)

 Question 22971: what is the standard form of the equation 2x-.3y=7 Click here to see answer by stanbon!(97)

 Question 22998: i need help with appropriate susbtitution please.the question says solve by making the appropriate substitution ex. x to the 4 power -9x squared-112+0 Click here to see answer by rapaljer(4667)

 Question 22898: Determine whether the graphs of the equations are parallel lines, perpendicular lines or neither. 3x - 2y= -3 2x =+ 2y= -3 A. Neither B. Parallel C. Perpendicular Click here to see answer by queenofit(120)

 Question 23038: write an equation in point slope form that passes through (8,-2)and is parellel to the graph of y= 2x-4. Click here to see answer by Earlsdon(6287)

 Question 23053: i need help to figue out what is? can you help me? thank you. Click here to see answer by mmm4444bot(95)

 Question 23036: Find at least 5 coordinate pairs and graph the function x2-10x+25 Click here to see answer by eclecticist(12)

 Question 22869: Can you help me graph this parabola? y = 6x square + 13x + 6 Thank you. Click here to see answer by eclecticist(12)

 Question 23087: How can i sketch the graph of the inequality (y> or = x^) and (y < x^-3) Click here to see answer by stanbon!(97)

 Question 23103: I have a question for you that I don't understand. Write the slope - intercept equation of a line with slope = -7/5 and y intercept = -2 Thanks for your help! Click here to see answer by rapaljer(4667)

 Question 23102: I have a question for you that I don't understand. Graph the line given a x intercept+3 and a slope of -2/3 Thanks for your help! Click here to see answer by rapaljer(4667)

 Question 23106: the measure of an angle is 58 degrees more than the measure of its supplement. Find the measure of its supplement. Click here to see answer by Paul(988)

 Question 23105: I need help on turning two points, let's say (1,2),(3,4) , into an Ax+By=c form Click here to see answer by Paul(988)

 Question 23104: I have a question for you that I don't understand. Determine the point -slope from the line and the slope-intercept form of the line with slope=-3/5 and passing through the point (10,4) Thanks for your help! Click here to see answer by rapaljer(4667)

 Question 23085: What is the x-intercepts of the graph of the equation ( y=x^-3x+2) and (y=x^-1) Click here to see answer by rapaljer(4667)

 Question 23084: How can i estimate the roots of the equation, (y=x^2-4) by using a graph? Click here to see answer by rapaljer(4667)

 Question 23083: How can i estimate the root of the equation using a graph, (y= x^-2x-8) Click here to see answer by rapaljer(4667)

 Question 23129: x>7/8y +5 2x>=3/4y+7 Determine if the given points are solutions to the given systems of inequalities. a. The point is a solution to the system b. The point is not a solution to the system. Click here to see answer by stanbon!(97)

 Question 23125: I need to graph y=3 sin x and y = sin 3x on the same axes. I am really confused and do not know where to start. Click here to see answer by venugopalramana(3286)

 Question 22401: The hourly wage y of an employee at a certain production company is given by y=0.25x + 9 where x is the number of units produced in an hour. a) complete the table and graph the results X 0 1 5 10 Y B) Find the number of units thatmust be produced each hour to earn an hourly wage of \$12.25. Click here to see answer by elima(1433)

 Question 22571: ```Is (-4,7) a solution to the equation 3(x - 10) = 6y Jamie Click here to see answer by AnlytcPhil(1277)  ```