# 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 249844: what is The slope of any line perpendicular to the line 3x + y = 9. Click here to see answer by solver91311(16897)

 Question 249858: A contractor needs 63 square feet of brick to construct a rectangular walkway. The length of the walkway is 2 feet more than the width. What is the perimeter of the walkway Click here to see answer by mathhub(11)
 Question 249858: A contractor needs 63 square feet of brick to construct a rectangular walkway. The length of the walkway is 2 feet more than the width. What is the perimeter of the walkway Click here to see answer by stanbon(57387)

 Question 249905: I do not understand how to use the substitution method to find an intersection point. I have (-6,1) (5,4) and (5,-4) (-6,4). If I write the equation in standard form is it -6A + 1B=C? Click here to see answer by solver91311(16897)

 Question 249980: Write an equation in slope-intercept form for the line that is parallel to the given line and that passes through the given point 2x+37+7;(4,5) Click here to see answer by richwmiller(9143)

 Question 250211: solve the system of equations using the substitution method. write the solution as an ordered pair. y=3x y-x=18 Click here to see answer by tutorcecilia(2152)

 Question 250272: graph {3x-y>5} and {x+3y>= 6} My answer 3x-y=5 x+3y=6 -y= -3x+5 3y= -x + 6 y=3x-5 y= -1/3x+2 solution solution x y x y 0 -5 0 2 1 -2 3 1 2 1 6 0 Now I have graphed this - but I don't understand how to shade it correctly pls help! Click here to see answer by College Student(505)

 Question 250265: find the vertex, y intercept and x intercept if any exist of f(x)=-xSQUARED+2x+8 Click here to see answer by checkley77(12569)

 Question 250322: how do i find a parallel slope and a perpendicular slope of 2/7 Click here to see answer by richwmiller(9143)
 Question 250322: how do i find a parallel slope and a perpendicular slope of 2/7 Click here to see answer by solver91311(16897)

 Question 250336: Write an equation for the line that is parallel to the given line and passes through the given point. y=4x+6 Click here to see answer by richwmiller(9143)
 Question 250336: Write an equation for the line that is parallel to the given line and passes through the given point. y=4x+6 Click here to see answer by solver91311(16897)

 Question 250387: state the slope and y intercept of f(x)=4x-6 and tell how it relates to the graph f(x)=x Click here to see answer by edjones(7569)

 Question 250463: Given the equation of a line y=-3x-2, then the slope of the line perpendicular to the given line. i would use the formula y=mx+b i don't know how to plug everything in Click here to see answer by MRperkins(300)

 Question 250377: Which point (5/2, 3) or (3/2, 20), is on the graph of 2x - 2/3y=3? How do I figure this out? Click here to see answer by Fombitz(13828)

 Question 250424: Solve each system by graphing y = 2/3x 2 x + 3 y = 5 Second question Graph each pair of equations on a graphing calculator using a window that shows the point of intersection. Use the intersect feature to find the solution y = 5x + 98 y =7x + 70 Click here to see answer by Fombitz(13828)

 Question 250550: Hi, How do you graph this linear equation: y=4 I really need some help. Thanks -Drea Click here to see answer by richwmiller(9143)

 Question 250561: Indicate the axis of symmetry of the parabola y = x^2 + 8x + 20 Click here to see answer by richwmiller(9143)

 Question 250560: Indicate the axis of symmetry of the parabola y = x^2 + 7 Click here to see answer by richwmiller(9143)

 Question 250590: Hi, I'm really stuck on this linear equation. How are you supposed to graph this: x + y = -7 I really need help. Thanks -Drea Click here to see answer by richwmiller(9143)

 Question 250610: how do you write (3,5) m= -1 in point slope form Click here to see answer by richwmiller(9143)

 Question 250632: Find the line perpendicular to the line 4x-3y=6 that passes through the point (-3, 0). Click here to see answer by Fombitz(13828)

 Question 250727: I am a little lost at graphing linear equations. could you explain to me the whole concept of how to graph a linear equation? Click here to see answer by richwmiller(9143)
 Question 250727: I am a little lost at graphing linear equations. could you explain to me the whole concept of how to graph a linear equation? Click here to see answer by blwinbbbles(106)
 Question 250727: I am a little lost at graphing linear equations. could you explain to me the whole concept of how to graph a linear equation? Click here to see answer by jsmallt9(3296)

 Question 251083: can you find the following slopes with these numbers??? (3,4) and (7,5) Click here to see answer by blwinbbbles(106)

 Question 251101: I have another question. I need help with three pairs of ordered pairs for the solution y=-6. Click here to see answer by Fombitz(13828)

 Question 251094: What is the equation 5x-y=3 in function form? Click here to see answer by vleith(2825)

 Question 251098: I have a question. I need three different pairs to the solution to this equation.....x=2. Click here to see answer by vleith(2825)

 Question 251056: Graph parabola show the vertex and at least two points on either side of the vertex. y = x^2 -4x +3 Click here to see answer by richwmiller(9143)