# 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 122613: Solve the following system of linear inequalities by graphing. 3x – y < 2 x + y > 2 please show me how to do this Click here to see answer by stanbon(57332)

 Question 122430: For a 2-day rental, a rental car agency charges a \$40 fee per day plus \$0.35 per mile. The equation represents this model, where C symbolizes the total cost of the rental, and x stands for the number of miles driven. A. Find the y-intercept of this graph and explain what it means in the context of the problem. Show all work to receive full credit. B. Explain the slope of the line within the context of this problem. C. Graph the equation. Click here to see answer by bucky(2189)

 Question 122639: Can you show me a graph for the slope of these lines? (a) 1/2 (b) -2 (c) -1/2 (d) 2 Click here to see answer by stanbon(57332)

 Question 122715: Write an equation in slope-intercept form for the line that is perpendicular to the line y = (-1/3)x + 4 that passes through the given point (-4,2). That is just one question. I have another question.... Write an equation in slope-intercept form for the line that is parallel to the line y = -4x + 5 and that passes through the given point (-8,5). Click here to see answer by stanbon(57332)

 Question 122741: Find the x - intercept y = x squared + x - 6 Click here to see answer by Earlsdon(6287)
 Question 122741: Find the x - intercept y = x squared + x - 6 Click here to see answer by checkley71(8403)

 Question 122756: I need help trying to solve this problem..you are trying to find the slope. (1/12, 1/8) (3/7, 9/17)..THANKS! Click here to see answer by stanbon(57332)

 Question 122760: Find the x-intercept of y = x squared - 3x - 10 Find the axis of symmetry of y = -x squared - 6x + 2 Click here to see answer by stanbon(57332)
 Question 122760: Find the x-intercept of y = x squared - 3x - 10 Find the axis of symmetry of y = -x squared - 6x + 2 Click here to see answer by josmiceli(9674)

 Question 122768: Solve the system by substitution. x + y = 12 y = 2x Click here to see answer by checkley71(8403)

 Question 122767: can someone check this i'm really lost i thought i had it and now i dont think i do. Solve the system by graphing x+y=3,x+y=-1 x+y=-1 x-x+y=-1-x y=-1-x y=-1-(3-y) y=-4y x=3-(4y) x=-1 Click here to see answer by jim_thompson5910(28593)

 Question 122795: Could someone PLEASE show me the graphs for these equations? Thank you! (a) y = -3/2x + 1 (b) y = -2/3x + 1 (c) y = 2x - 1 (d) y = 1/2x - 1 Click here to see answer by bucky(2189)

 Question 122819: A roof rises 7.25ft over a horizontal distance of 16.62ft. What is the slope of the roof to the nearest hundredth? Click here to see answer by bucky(2189)

 Question 122816: find the slope and y-intercept x = -7 Click here to see answer by MathLover1(6628)

 Question 122821: I have looked in my textbook to try to figure out how to do this but it has not helped me. i was wondering if you could explain it better: Write each equation in stadard form using integers 1. y=4x-11 2. y=2/3x-25/3 thanks for helping Click here to see answer by MathLover1(6628)

 Question 122814: Graph the equations. (1) y = x + 1 (2) y = 2x squared Click here to see answer by jim_thompson5910(28593)

 Question 122813: Graph the equations. (1) y = -x squared + 3x (2) y = x squared + 1 Click here to see answer by jim_thompson5910(28593)

 Question 122812: Graph the equations. (1) y = x squared - 4x (2) y = -x + 1 Click here to see answer by jim_thompson5910(28593)

 Question 122864: how do i find the slope of the line passing through the points : (-3,0);(-4,6)??? Click here to see answer by checkley71(8403)

 Question 122811: Graph the equation (1) y = -x squared +1 (2) y = 2x Click here to see answer by jim_thompson5910(28593)

 Question 122874: Would the equation of the line with x-intercept (-,0) and undefined slope be: x = 0?? Thanks! Click here to see answer by jim_thompson5910(28593)

 Question 122878: The length of a rectangle is 3 in. more than twice its width. If the perimeter of the rectangle is 36 in., find the width of the rectangle. Click here to see answer by checkley71(8403)

 Question 122925: Solve the system by substitution. 3x – 3y = –12 y = –3x – 12 Click here to see answer by jim_thompson5910(28593)

 Question 122912: I need help with this one please. I have to graph and identify the y intercept y = 3/2x + 2 Thanks so much for any help. Click here to see answer by checkley71(8403)

 Question 122935: Could someone please show me a graph of the equation 3x + 2y = 6?? Thanks! Click here to see answer by jim_thompson5910(28593)

 Question 122986: Sally bought three chocolate bars and a pack of gum and paid \$1.75. Jake bought two chocolate bars and four packs of gum and paid \$2.00. Find the cost of a chocolate bar and the cost of a pack of gum. Click here to see answer by checkley71(8403)

 Question 122972: Solve the system by substitution. x – 5y = 2 2x + 3y = 17 Click here to see answer by checkley71(8403)

 Question 123007: It contains a graph to find the constant of a slope. I know how to find the slope but not a constant, teacher is not helpful, he describes the problem so he knows it, which is not helpful to children. The problem shows a graphy with a blue line stretching from Q2's top left corner and reaching Q4's bottom right corner. In Q4 it shows a blue dot at (2,-2) then another blue dot at (0,0) Then it says y= -x I cannot seem to figure this out Click here to see answer by checkley71(8403)
 Question 123007: It contains a graph to find the constant of a slope. I know how to find the slope but not a constant, teacher is not helpful, he describes the problem so he knows it, which is not helpful to children. The problem shows a graphy with a blue line stretching from Q2's top left corner and reaching Q4's bottom right corner. In Q4 it shows a blue dot at (2,-2) then another blue dot at (0,0) Then it says y= -x I cannot seem to figure this out Click here to see answer by stanbon(57332)

 Question 123012: This question is from the book Hutchison, D., Bergman, B., Baratto, S., & Hoelzle, L. (2005). Beginning algebra (6th ed.). New York: McGraw-Hill A google search says this question has been asked before; however, went I link to the page and search I cannot find it, if it is out there I'm sorry but I can't seem to get it. Rewrite the equation -3x+4y=11 as a function of x. Any explanation of how to accomplish this would be so helpful. The textbook just isn't making sense to me. Thanks! Click here to see answer by stanbon(57332)

 Question 123014: This question is from the book Hutchison, D., Bergman, B., Baratto, S., & Hoelzle, L. (2005). Beginning algebra (6th ed.). New York: McGraw-Hill I thought I had graphing down okay but this one is very confusing for me for some reason. Any help would be appreciated. Thanks! The question is asking to graph the function (that is where I get confused) f(x)= -2x - 5 Click here to see answer by stanbon(57332)

 Question 123016: This question is from the textbook Hutchison, D., Bergman, B., Baratto, S., & Hoelzle, L. (2005). Beginning algebra (6th ed.). New York: McGraw-Hill. (I do not have the actual book so no ISBN #) The question is asking to evaluate each function for the value specified. f(x)=Xsquared-7x+10; find (a) f(0), (b) f(5), and (c) f(-2). I'm sorry but I don't even know how to start this one. Any explanation of the process would be helpful and very, very appreciated. Thanks! Click here to see answer by jim_thompson5910(28593)
 Question 123016: This question is from the textbook Hutchison, D., Bergman, B., Baratto, S., & Hoelzle, L. (2005). Beginning algebra (6th ed.). New York: McGraw-Hill. (I do not have the actual book so no ISBN #) The question is asking to evaluate each function for the value specified. f(x)=Xsquared-7x+10; find (a) f(0), (b) f(5), and (c) f(-2). I'm sorry but I don't even know how to start this one. Any explanation of the process would be helpful and very, very appreciated. Thanks! Click here to see answer by stanbon(57332)

 Question 122982: Hi, my son just started a new school on Tues. Has an Algebra worksheet that he doesn't understand. I am normally able to help him, but I do not know how to do this type of problem. 1. Determine if the graphs of the equations y=2/3 and 3x+2=6 are parallel, perpendicular or neither. 2. Write an equation for the line that is paralled to y=1/2x-1. Tell how you know they are parallel. 3. Find the slope of the lines perpendicular to the graph of 3x-y=11. 4. Write an equation of the line that passes through (5,3) and is parallel to x+3y=6. Any help or explanations would be greatly appreciated. Click here to see answer by scott8148(6628)

 Question 123034: Graph the following inequality: 4x + y > or = 4 i'm stuck please show how you graphed Click here to see answer by stanbon(57332)

 Question 123046: please help solve the following problems: what is the slope of the line 5x-3y=1. find the y intercept of the line whose equation is y= 9/4 x -11/4 find both x- intercept and the y intercept of the line given by the equation 8x - 7y + 13 = 0. find an equation of the line that is paralledto the line y=-9x +8 and that pass through the (-1, -6). Click here to see answer by checkley71(8403)

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