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

Tutors Answer Your Questions about Graphs (FREE)

Question 678411: how can i skatch of a graph on real line of equation of x^2 -10>3x

Click here to see answer by ReadingBoosters(3246)

Question 678447: what are three co-ordinates for the inequality equation 3x+2y>5 but they have to be whole numbers, no decimals or fractions please
Click here to see answer by jim_thompson5910(35256)

Question 678552: how do i solve by substitution?
2x+3y=6
y=2x+2
Click here to see answer by jim_thompson5910(35256)

Question 678572: How do i solve by elimination?
-x+2y=-10
5x+4y=8
Click here to see answer by nerdybill(7384)

Question 678592: how do i find out which lines are parallel and perpendicular on the graph with the slope?
Click here to see answer by ReadingBoosters(3246)

Question 679127: The sum of two numbers is 2. If the larger number is 14 more than three times the smaller, find the larger number.
Click here to see answer by pmatei(79)

Question 679174: Suppose supply and demand functions for a given product are given by
Qs=.3+.8p and Qd=3-.4p

Graph the supply and demand functions.
Find the market equilibrium price and quantity

I keep getting 7.5=p for the Qd and -.375=p for Qs
For the equalibrium I am getting 2.25=p
Where is my math going wrong??

Click here to see answer by solver91311(24713)

Question 679418: x-y=2
Click here to see answer by ReadingBoosters(3246)

Question 679657: Please please help!
What is the y-intercept for the line whose equation is y=-2?
Click here to see answer by RichardMathsTutor(3)

Question 679658: What is the x-intercept for the line whose equation is y=-2?
Click here to see answer by nerdybill(7384)

Question 679679: If a line has no y-intercept what is the slope intercept equation?
Click here to see answer by ReadingBoosters(3246)

Question 679679: If a line has no y-intercept what is the slope intercept equation?
Click here to see answer by stanbon(75887)

Question 679625: how do you graph
3y-6=2x
Click here to see answer by ReadingBoosters(3246)

Question 679689: Find the y-intercept, the equation of the axis of symmetry, and the x-coordinate of the vertex.
Consider f(x)=x^2+2x-3
Click here to see answer by Alan3354(69443)

Question 679822: please help me graph the solutions of the system: y<2x-6 and 2x+3y<3 and find the point of intersection.
Click here to see answer by ReadingBoosters(3246)

Question 679952: Write an equation of a line in slope intercept form with the given slope and y intercept
slope:5 y-intercept: -3
Click here to see answer by ReadingBoosters(3246)

Question 680017: please help with y=3/8x+6
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Question 680022: please help with the problem:
y=3/8x+6
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Question 680153: 4n + 1 < 9
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Question 680314: FIND X AND Y INTERCEPT IN EACH LINE 3X+4=Y

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Question 680599: Find the value of x so that (x,12) satisfies y=4x+8
Click here to see answer by lwsshak3(11628)

Question 680607: Y=-1/2X-4
Y=3/2X+12
...i REALLY DON'T GET HOW TO GRAPH EQUATIONS...PLEASE HELP.

Click here to see answer by ReadingBoosters(3246)

Question 680585: what is the y intercepts for y=4x
Click here to see answer by ReadingBoosters(3246)

Question 680592: What is the slope of a graph passing through the points (X1 6)(X2 15) (Y1 122.4) (Y2 205)

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Question 680832: How to graph f(x)=-3x^2
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Question 680836: What's 6y=0 look like on a graph please!
Click here to see answer by ReadingBoosters(3246)

Question 680918: Would you please check my answer & tell me if there is a better way to do it?
Simplify the expression �4(x � 7) + 3(x + 9) = (-4 . x ) � (4 . -7) + (3 . x) +(3 . 9)
= -4x + 28 + 3x + 27
= -4x + 3x + 55
= -x + 55
Thank you.
Click here to see answer by ReadingBoosters(3246)

Question 681084: I need help on graphing these two equations. How do i do it?
2X+Y=-4
and
y+2x+3
Click here to see answer by ReadingBoosters(3246)

Question 681200: What is an equation of the line with slope 6 and y-intercept -4?
Click here to see answer by funmath(2933)

Question 681379: Find the x- and y- intercept of the graph of y=-2x+9
Click here to see answer by ReadingBoosters(3246)

Question 681631: what is the letter corresponding graph of 1/2x-1
Click here to see answer by Alan3354(69443)

Question 681688: how do you tell whether the graphs of the two equations are parallel lines?
Click here to see answer by skue(3)

Question 681805: how do you graph the inequalitie y is less than 1/6x +0
Click here to see answer by stanbon(75887)

Question 682086: find the equation of the line passing through -1,4)and slope m=2/3

Click here to see answer by lwsshak3(11628)

Question 682474: what is the equation in slope-intercept form of the line that passes through the given points

(0,3) and (2,5)
Click here to see answer by ReadingBoosters(3246)

Question 682499: x-2y=1 i do not get this at all im having a very hard time graphing equations please help

Click here to see answer by ReadingBoosters(3246)

Question 682699: Find an equation of the line tangent to the graph of y=x^2-x+1-ln(x+4) at (-3,13).
Click here to see answer by solver91311(24713)

Question 682793: Please help me with the following problem:
Graph the function 'f(x)=3x-5'.
Thank you!
Click here to see answer by jim_thompson5910(35256)

Question 682990: how do i find\solve my x and y values for x=-5, also how do i graph it

Click here to see answer by ReadingBoosters(3246)

Question 682992: graph the equation y= -4x+8. state the slope and y-intercept.

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Question 683015: how do you find the value of x or y so that the line passing through the two points has the given slope?
Click here to see answer by ReadingBoosters(3246)

Question 683025: Find the equation of the line which passes through the points (-1,4) and (
-3,-4).
Click here to see answer by ReadingBoosters(3246)

Question 683074: how do you gragh y>1/2x-5?
Click here to see answer by ReadingBoosters(3246)

Question 683053: At what value of x does the function f(x) = 1 / (1+x^2) change from increasing to decreasing?

Click here to see answer by Alan3354(69443)

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