Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

Tutors Answer Your Questions about Graphs (FREE)

Question 286778: Graph the function by finding x and y intercepts....
x-y=3
Click here to see answer by checkley77(12844)

Question 286777: Write the equation using function notation...
x-y=-3
Click here to see answer by checkley77(12844)

Question 286776: Graph the equation...
x-4y=-4
Click here to see answer by checkley77(12844)

Question 286836: Graph the function:
y=x^2-4
Click here to see answer by richwmiller(17219)

Question 286887: When you get the vertex of a parabola, How do you get the other two points to graph it?
Click here to see answer by stanbon(75887)

Question 287000: I NEED HELP WITH THIS QUESTION
5X+4y=20 and i need 3 ordered pairs from the problem like (0,0)
Click here to see answer by richwmiller(17219)

Question 287005: please help not sure how to do this
graph this equation
x+y=1
x-2y=4
Click here to see answer by richwmiller(17219)

Question 287050: I hope I can explain this right! I will post the problem, then what I need to do with it.
-12x+y=28
I need to find the ordered pair of the y-intercept and the x-intercept.
I just do not get how to figure these out!!!
Thanks in advance!!

Click here to see answer by stanbon(75887)

Question 287094: What is the slope of the line that contains the points (2, -6) and (-3, 1)?

I am struggling in math and can not even remember basic strategies to help me solve simple problems! Please help!!!!!
Click here to see answer by stanbon(75887)

Question 287088: Hi I need y=4x graphed and also y=-6+8 graphed. THanks alot!!!!!!
I also need an equation for M(3,5), N(-3,1). aND IF YOU CAN m(1,0),n(2,)
And an equation for 3x=6y+18
Click here to see answer by josmiceli(19441)

Question 287086: man look im a kid i need help in algebra 1 im not wanting to pay i just need help i am begging you please help me find a free online tutor
Click here to see answer by josmiceli(19441)

Question 287365: A line that passes through the point (−1,3) has a slope of 2. Find another point on the line.
Click here to see answer by Alan3354(69443)

Question 287337: Please help me solve this equation:Find the slope of the line determined by the equation

Click here to see answer by richwmiller(17219)

Question 287544: How do I get an equation in standard form using integers? Example y=4x-11
Click here to see answer by stanbon(75887)

Question 287541: what is the slope of y=2
Click here to see answer by rfer(16322)

Question 287560: I am struggling with graphing and slopes I need to graph the line passing through (4,-4) with a slope of 4/3
Click here to see answer by xachu4u(10)

Question 287614: I need to graph this function and I am completely clueless.
f(x)=-5
Click here to see answer by nerdybill(7384)

Question 287631: Hi. I need help with graphing (-9,2)(-3,10). Thank you.
Click here to see answer by richwmiller(17219)

Question 287698: Hi, I need help graphing this problem f(x)=1/3x-2. Thank you.
Click here to see answer by checkley77(12844)

Question 287756: Find the value of k such that the graphs of x + 7y = 70 and y + 3 = kx are perpendicular.
Click here to see answer by stanbon(75887)

Question 287757: . Find the coordinates of the point of intersection of the graphs of the equations
x = -4 and y = 5.

Click here to see answer by dabanfield(803)

Question 287791: how can you tell by looking at a line if its slope ispositive or negative?
Click here to see answer by stanbon(75887)

Question 287791: how can you tell by looking at a line if its slope ispositive or negative?
Click here to see answer by richwmiller(17219)

Question 287859: What is the point-slope form of a line that passes through (4,-1) with a slope of 2?
Click here to see answer by checkley77(12844)

Question 287929: Graph the piecewise continuous function
f (x)= {x,-2 x^2+1,x_>1
the underline is actually the greater than or equal symbol with my keyboard i am unable to type in that syymbol. I am 100 percent stuck and confused on how to solve this problem I also have to graph it any help would be appreciated if there is confusion on how i typed it let me know I tried to copy and paste but wouldnt let me for some reason.
Eric
Click here to see answer by Edwin McCravy(20054)

Question 287975: Suppose y varies directly as x and that y=21 when x=3. Find the value of y when x = 5
Click here to see answer by richwmiller(17219)

Question 287965: Change y=x-3 so that the graph of new equations has a steeper, negative slope and the same y-intercept.
Click here to see answer by richwmiller(17219)

Question 287965: Change y=x-3 so that the graph of new equations has a steeper, negative slope and the same y-intercept.
Click here to see answer by stanbon(75887)

Question 287963: Are the two graphs in the same family? If so please explain why.
: y=-2x+3 and y=2x+3
Click here to see answer by richwmiller(17219)

Question 288029: Graph the equation using the slope and the y-intercept.
Y=5/4x+3
Click here to see answer by checkley77(12844)

Question 288156: solve
2y-2<6y-3

Thank you
Click here to see answer by checkley77(12844)

Question 288172: Draw any line l1 with slope -1. What is the slope of any line perpendicular to l1? Draw any line l2 perpendicular to l1.
Click here to see answer by dabanfield(803)

Question 288350: Can you help me solve the system of equations by graphing?
x-y=3
x+2y=18

Click here to see answer by richwmiller(17219)

Question 288366: graph the equation and find the y- intercept, y=3/4x-3
Click here to see answer by jim_thompson5910(35256)

Question 288633: graph x+y=4
Click here to see answer by checkley77(12844)

Question 288648: Write an equation in slope-intercept form of a line that is: Perpendicular to the graph of y=(3/2)x-3 with a y-intercept of 5.
Click here to see answer by brucewill(101)

Question 288778: What is a vertex?
Click here to see answer by Alan3354(69443)

Question 288738: find the point of inflection
f(x)= 1/4x^4 - x^3 + 9
Click here to see answer by jsmallt9(3758)

Question 288991: Can someone show and explain to me how to solve for graphs using Algebra? I need to complete the following:
These two functions: f(x) = -2x + 5 and g(x) = x^2 + 2x + 6 intersect at two points. Determine using Algebra the x and y co-ordinates of the two points correct to 5 decimal places.
Help with explanations and steps would be great.
Thanks.
Click here to see answer by scott8148(6628)

Question 289135: how do u graph 220+2y<380?
Click here to see answer by jim_thompson5910(35256)

Question 289187: What is the slope of a line that is perpendicular to the graph of: y=(-1/2)x+4? (Please explain).
Click here to see answer by checkley77(12844)

Question 289397: What is the x-coordinate of the solution to the system of linear equations below?
4x + 5y = 8
2x - 3y = -18
is this right? 2x + 2y = 10
troykoen@gmail.com
Click here to see answer by alegriajoy33(14)

Question 289404: I really don't understand the process for solving this type of problem. I've got all kinds of formulas and whatnot but I do not know which to use or when or if I even have the right ones...
Find the equation for the line parallel to the line 3x+6y=-8 having the same y-intercept as -5x-5y=6.
Click here to see answer by solver91311(24713)

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