# 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 23993: I need help solving my equation using elimnation method.Solving for both x andy Problem: 2x+y=-1 -x+2y=13 I have tried several different ways in order to find the answer, and have asked my parents for help if you could help me I would be very very very thankful Click here to see answer by elima(1433)

 Question 24038: the x is supposed to be next to the 3 and 2 and not under with the 2. Click here to see answer by rapaljer(4667)
 Question 24038: the x is supposed to be next to the 3 and 2 and not under with the 2. Click here to see answer by PeterC(8)

 Question 24024: i need to know step by step instuctions on how to slove a slope intercept form of a line given the slope and one point on the line. Click here to see answer by rapaljer(4667)

 Question 23881: how do i write an equation for tables? Click here to see answer by elima(1433)

 Question 23970: how do i solve this problem the topic is USING THE PROPERTIES TOGETHER THE PROBLEM IS 4+3X<28 Click here to see answer by queenofit(120)

 Question 23999: how do you graph this system of linear inequalities... y is less than or equal to 2x+3 y>-x+5 Click here to see answer by elima(1433)

 Question 24096: how do you find the slope and y-intercept of an equation? Click here to see answer by rapaljer(4667)

 Question 24119: I am graphing linear eaquations. If I have a problem like ( 2x + 7y =9 ) i understand what to do; Im not geting it right after i do the domain i cant find the range and i cant plot it plotting is easy its just the equations that confuse me like finding the (x,y) coordinate after im done with the equation and ready to plot it . please help me . thanks , lorrie Click here to see answer by rapaljer(4667)

 Question 24120: you buy a computer for \$1250 and its value decreases \$150 per year. write an equation that models the value of the computer terms of years? Click here to see answer by rapaljer(4667)

 Question 24155: could somebody help me with this linear equation: Solve by graphing 4x-y=6 3x+y=1 this would be greatly appreciated :) Click here to see answer by longjonsilver(2297)

 Question 24061: On the coordinate plane it is considered the figure(blank) that consist of all points with coordinates AB. Such that system of inequalitiies has no solution. Find the area of the figure. x^2+(3-a^2-b^2)x-3(a^2+b^2)<0 and 2x^2+(2a+2b-25)x-25(a+b)>0 Click here to see answer by venugopalramana(3286)

 Question 24340: I need help on graphing this equation, by using the slope and y-intercept? Equation: y=-3/4x+4 Click here to see answer by elima(1433)

 Question 24356: okay this is an inequality i dont understand: The Sum of a number(n)and 81 is greater than the product of -2 and the number(n) Find the number(n) the answer is supposed to have less than or equal to signs or greater than or equal signs. Click here to see answer by Paul(988)

 Question 24407: I need to know how to find the slope of (1,4) (3,9) and (-9,7) (-5,-2) and (3,-6) (3,4) and (4,-3) (-1,-3) Thank you sooo much Click here to see answer by wuwei96815(245)
 Question 24407: I need to know how to find the slope of (1,4) (3,9) and (-9,7) (-5,-2) and (3,-6) (3,4) and (4,-3) (-1,-3) Thank you sooo much Click here to see answer by elima(1433)

 Question 24418: write the the slope form of the equation of the line passing through (-2,5) with slope 7 Click here to see answer by askmemath(368)

 Question 24414: I am having trouble with this problem. I am to use the addition method and determine if the equations are independent, dependent or inconsistent. x - y = 3 -6x + 6y + 17 same with this one x + y + 13 22x + 36y = 356 Thanks for your help.... Click here to see answer by venugopalramana(3286)

 Question 24428: this is my question: Determine whether the system has one solution,no solution, or many solutions: y=2/3x 2x-y=-4 could somebody please explain how to get the answer? Thank you. Click here to see answer by Earlsdon(6287)

 Question 24435: I understand how to do these but for sme reason this one is giving me a problem could you please help? Use sustitution to solve: 2x+y=7 5x-2y=4 thank you Click here to see answer by Earlsdon(6287)

 Question 24437: I have an elimination question I hope some one could help me? x/2+2y=9 2x-y=18 thank you also if you have time could you help me with this graph Solve the following systems of equations by graphing: y=x^2-4 and y=x-2 this would be greatly appreciated. Click here to see answer by Earlsdon(6287)

 Question 24459: find the equation of a line passing throught coordinates(-3,-2)and(-5,-7)in slope intercept form. Click here to see answer by venugopalramana(3286)

 Question 24461: find the slope,m,and the y intercept,b,of the line whose equation is 4x+2y+8=0 Click here to see answer by venugopalramana(3286)

 Question 24460: find the slope,m,and the y intercept,b,of the line equation 2y=28 Click here to see answer by venugopalramana(3286)

 Question 24474: I'm having trouble with these problems. The directions say to Determine whether the given ordered pair is a solution of the equation. I've went through my textbook three and four times and I still don't get it. One of the equations are: Y=-2, (-2,-2) and I can't figure out if the coordinates given are solutions of the equations. Please help me!!!! Click here to see answer by music974(43)

 Question 24440: 1) graph the line whose equation is 3y=x 2) graph the line whose equation is x=3 3) graph the line whose equation is 2y=-5 Click here to see answer by elima(1433)

 Question 24498: (1,3) m=3/2 and you have to graph it (3,-4) m=1/3 Thanks so much Click here to see answer by elima(1433)
 Question 24498: (1,3) m=3/2 and you have to graph it (3,-4) m=1/3 Thanks so much Click here to see answer by carizzmaH(1)

 Question 24577: How would you solve and graph this equation? y=7/8x+4 when x=-2 Click here to see answer by elima(1433)

 Question 24541: How would you write an equation for an unequality? Would you use >,<,= or other symbols?? Click here to see answer by elima(1433)

 Question 24619: Find the solution to the system y=xsquared+5 and y=2x+4 thank you Click here to see answer by rapaljer(4667)