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

Tutors Answer Your Questions about Graphs (FREE)

Question 214158: Find the vertex of the graph. y=|3-x|-3
Click here to see answer by RAY100(1637)

Question 214801: How do you know when an equation has infinately many solutions?
Click here to see answer by drj(1380)

Question 214797: We are presently graphing linear equations. I am totally lost. gWe have to anwer a response to:
Why the line x=4 is a vertical line? How do begin? How do I solve this?
Click here to see answer by stanbon(75887)

Question 214836: Write the equation in slope-intercept form of the line satisfying the given conditions:
Through (-2,-2); parallel to -x+2y=10
Click here to see answer by checkley77(12844)

Question 214906: a. the point in the axis that is equidistant from 12,6 and 8,2
b. the distance between the points 6,4 and 18,4
c. the distance between the points 1,4 and 19,6
d. the midpoint between 12,6 and 18,4
e. the midpoint between -6, 8 and 23, 5
Click here to see answer by Alan3354(69443)

Question 107953: graph the inequality y>-2
Click here to see answer by needhelp?22(3)

Question 107916: Determine which two equations represent parallel lines
(a) y=-4x+1
(b) y= 4x+1
(c) y= 1/4x+1
(d) y=-4x+5
(A) (a) and (b)
(B) (b) and (c)
(C) (a) and (c)
(D) (a) and (d)
Click here to see answer by needhelp?22(3)

Question 215009: Can you provide an example step by step on how to plot 2 points on the graph of this function, other then origin (0,0. I need to decide on two x-values in the range [-10,10] that will result y-values, which are also in this range.
Thank you,
Ericka Briones
Click here to see answer by jim_thompson5910(35256)

Question 214966: 2x+3x_> 6
Click here to see answer by checkley77(12844)

Question 215107: Amy paid 74.16 for a pair of running shoes during a 15% off sale. What was the regular price?
Click here to see answer by jim_thompson5910(35256)

Question 215131: state the slope and y-intercept of y=7x-5
Click here to see answer by jim_thompson5910(35256)

Question 215153: solve 2x^2=6
find the x intercepts of f(x)=2x^2-6
Click here to see answer by Alan3354(69443)

Question 215188: Is the ordered pair (3, -6) a solution of 4x + 2y < -2.
Click here to see answer by RAY100(1637)

Question 215187: Solve | 3x � 5 | = x.
Click here to see answer by drj(1380)

Question 215219: Find the equation of the line with the given slope and containing the given point.
Slope -9/10; through (-9,0) Must be in slope-intercept form.
Click here to see answer by drj(1380)

Question 215302: How can i determine if the followingpairs of lines are parallel, perpendicular or neither: (y=-3/4x-2 ) (6x+8y=-5)
Click here to see answer by Theo(13342)

Question 215305: Do these equation graph to be parallel.
y=1.43x-2.17
y=1.43x+o.39
Click here to see answer by Theo(13342)

Question 215301: How can i determine if the followingpairs of lines are parallel, perpendicular or neither: (-3x+5y=40)(5y+3x=17)
Click here to see answer by Alan3354(69443)

Question 215423: how do you graph the function f(x) = 2x
Click here to see answer by solver91311(24713)

Question 215479: Solve by using the elimination method

0.3x-0.2y=4
0.5x+0.3y=71/23
Click here to see answer by Edwin McCravy(20055)

Question 215480: Solve by using the elimination method
7x+6y=11
7x-6y=-25
Click here to see answer by drj(1380)

Question 215474: Solve by using the substitution method

3m+n=0
m-5n=32
Click here to see answer by drj(1380)

Question 215617: 4X+7<5X-2<8X
Click here to see answer by RAY100(1637)

Question 215690: Please help me solve
I understand how to do the simpler equations, such as y = 2x + 3, but am confused on how to solve for the equations when there are exponents. Thank you!
Click here to see answer by Alan3354(69443)

Question 215703: Please help me solve AND graph the equation
My instructor went over how to solve and graph the simpler equations, but this one is causing me a headache! I've tried to break down the problem, i.e. (x-1)(x+2), but nothing I plug in works! Thank you in advance!
Click here to see answer by checkley77(12844)

Question 215713: Ok, I'm going to try this one more time...
I need help solving AND factoring the following equation (taken from Bittinger's College Algebra: Graphs and Models 4th Edition, page 76, problem number 39.)

A point to remember: The x^2 is NEGATIVE, and the 2x and 3 are both POSITIVE.
Thank you in advance!
Click here to see answer by nerdybill(7384)

Question 215731: The perimeter of a rectangle is 98m. The length is 10m more than twice the width. Find the dimensions?
What is the length?
What is the width?
Click here to see answer by drj(1380)

Question 215735: Solve the sytem of equation.
9x-8y=-16
8y-9x=16
Is the system consistent or inconsistent?
Are the equations independent or dependent?
Click here to see answer by drj(1380)

Question 215740: find the standard form of the equation of the circle with the endpoints of the diameter at the points of (5,2) and (-9,6)
Click here to see answer by Alan3354(69443)

Question 215819: how do u graph 2x+y-11=0
Click here to see answer by checkley77(12844)

Question 215906: Write the equation of the line with the given properties
Passing though (2,-3/2) and (3,1/2)
Click here to see answer by rfer(16322)

Question 215948: a-A cross- channel hovercraft ferry leaves Dover harbour at 9am travelling at 35km/hour. Find an equation giving d (the distance travelled in km) in terms of t (the time in hours after 9am). Plot the graph of this equatiopn for 0 b-As the hovercraft leaves the harbour, the captain sees a car ferry 5 km ahead travelling in the same direction at 15 km/hour. Find an equation for d in terms of t for the car ferry. Plot the graph of this equation, and find when the hovercraft catches up with the car ferry.
Please answer both of the parts. I am having a serious problem in this question.
Thankyou ver very much indeed.

Click here to see answer by ankor@dixie-net.com(22740)

Question 215993: graph the line y-4= -2(x+1) Please help I don't know where to begin
Click here to see answer by drj(1380)

Question 216061: step by step, how you would go about graphing the following inequality.
X + 2y ≥ 6
I need this to be as specific as possible. Thanks!
Click here to see answer by Alan3354(69443)

Question 216083: Find the ordered pair solution of y = -3x + 5.

Click here to see answer by ichudov(507)

Question 216390: graph the inequality 3x-2y>9
Click here to see answer by drj(1380)

Question 216425: hi, i need to graph
f(x) = 1/3x +2
i need simple simple simple step by step instructions as I'm just now getting back into math after not doing any for 10 years... thanks!
Click here to see answer by jim_thompson5910(35256)

Question 216461: p/3 - 3p/8 = 4
I have no idea where to start :P
Click here to see answer by nerdybill(7384)

Question 216308: What would Y>-2x+4 look like on a graph?
Click here to see answer by Kalmetam(43)

Question 216561: Can someone please help me with this problem
graph the line containing the given pair of points and find the slope.
(1,2), (-6,-5) slope of the line?
Thank you to whom ever gets my question and can help me solve it.
Click here to see answer by Earlsdon(6294)

Question 216608: q #6
FIND THE SLOPE OF THE LINE CONTANING THE POINTS (-1,4)(1,-3)
Click here to see answer by DRichardson(63)

Question 216611: QUESTION # 1
GRAPH THE ORDERED PAIRS (-1,2)(3,-4)
Click here to see answer by DRichardson(63)

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