# 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 621635: Would you pls help me with this? Solve using quadratic formula: 6x^2 + 7x - 11 = 0 I started like this: x= {-7+-sqrt(7^2-4*66)}/ 12 I would like to know how to do it step by step because I want to be able to do the others by myself. Thanks a lot. Click here to see answer by vleith(2825)

 Question 621622: Would you pls help me with this; Solve using quadratic formula: 6x^2 + 7x - 11 = 0 I started like this: x= {-7+-sqrt(7^2-4*66)}/ 12 Thanks Click here to see answer by ewatrrr(11176)

 Question 621668: Could you pls check my answer? Solve for z: |6z+30|= 48 My solution: z = 3 or z = -13 Thanks. Click here to see answer by ewatrrr(11176)

 Question 621680: x-y=3 x+y=5 let,x=0 x-y=3 y=3 (0,3) let,y=0 x+y=5 x =5 (5,0) Click here to see answer by ewatrrr(11176)

 Question 621652: Solve the systems of linear equations using graph paper y = x - 2 x = 2 Click here to see answer by ewatrrr(11176)

 Question 621643: Could you pls check my answer, Solve for z:|6z+30|= 48 My solution: z = 3 or z = -13 Thanks. Click here to see answer by ewatrrr(11176)

 Question 621646: Solve the systems of linear equations. y = 2x - 2 y = -x + 7 Click here to see answer by lynnlo(4174)

 Question 621736: y=1/4X and x=-12 can i get help solving this and understand how to solver more questions like this? Click here to see answer by ewatrrr(11176)

 Question 621902: Would you pls help me with this: For the function y = 3 + 2 sqrt(2x+4) State the domain. I am not sure ? Is it x>-2 or x >= -2 Thanks. Click here to see answer by jim_thompson5910(29613)

 Question 621957: Could you pls, help me with this? Complete this linear function table: ( x , y) (- 3 , - 1/3) (- 1 , 1/3) (2 , ? ) If x = 2 what should be y ? (4 , 2) ( 5 , 2(1/3)) Thanks. (This is the 3rd time that I am submitting this problem without receiving any answer: is it so difficult that no one could even try to solve it?) Click here to see answer by vleith(2825)

 Question 621988: Choose the equation below that represents the line passing through the point (2, -4) with a slope of 1/2 Click here to see answer by nerdybill(7090)
 Question 621988: Choose the equation below that represents the line passing through the point (2, -4) with a slope of 1/2 Click here to see answer by ewatrrr(11176)

 Question 622119: I have no idea how to graph with a radical. I am not sure how to write this properly but it is basically f(x)= 2 times radical X. 2 isn't a part of the radical it is multiplied by it. Click here to see answer by jim_thompson5910(29613)

 Question 622276: How do you find a relevent quadrant, when you are graphing on a one-quadrant graph. The points are A(5,500)(10,600)(15,700)(20,800)(25,850)(30,900) B (5,650)(10,700)(15,750)(20,800)(25,900)(30,1000) Click here to see answer by solver91311(18785)

 Question 622253: how do you find out what line is passing through the point (-2, -3) with a slope of -6. Click here to see answer by math-vortex(472)

 Question 622280: Would you pls help me with this? Solve for y in this equation: x=(x + 1)(x + y) I started like this: x=x^2+xy+x+y x^2+xy+y=0 Thanks Click here to see answer by solver91311(18785)

 Question 620287: you invest \$300 and 5% compound for 4 years. how much do you have in the account after 4 years and how much intrest did you earn? Click here to see answer by babs1010(6)

 Question 622712: (-1, y) is on the graph, then y = Click here to see answer by Alan3354(34679)

 Question 622788: Write the equation of the line which passes through (2, 1) and is perpendicular to x = –2. Click here to see answer by Alan3354(34679)
 Question 622788: Write the equation of the line which passes through (2, 1) and is perpendicular to x = –2. Click here to see answer by ewatrrr(11176)

 Question 622842: Please help (: Graph the two equations to solve the system. What is the solution? y = 2x - 4 and 2x + 3y = -12 Click here to see answer by math-vortex(472)

 Question 622952: What is the slope using the elimination method! 5x -3y =8 -5x + y =4 Thank you advance.... Click here to see answer by lynnlo(4174)