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

Tutors Answer Your Questions about Graphs (FREE)

Question 423997: graph the line containing the given pair of points and find the slope (2,0) and (8,-1)
Click here to see answer by stanbon(75887)

Question 424028: A little help please!?...

Find the two x-intercepts of the graph of:
g(x)=2x^2-8x+6
*Use the answer format of "x=#, x=#"
Thank you in advance! :)
Click here to see answer by stanbon(75887)

Question 424068: Write the slope-intercept equation for the line that passes through (-5, -8) and is perpendicular to 10x � 6y = -11 Please show all of your work
Click here to see answer by mananth(16946)

Question 424067: Write the slope-intercept equation for the line that passes through (-1, -3) and (-2, 5). Please show all of your work
Click here to see answer by mananth(16946)

Question 424066: Write the slope-intercept equation for the line that passes through (4, 3) and has slope 5/4. Please show all of your work.

Click here to see answer by mananth(16946)

Question 424065: Find the slope and y-intercept of the line in the given equation
y=4/9x-20
Click here to see answer by mananth(16946)

Question 424318: Would anyone be willing to allow me to email them a graph for help?!
I really need to find the equation to a piecewise graph and this program will not allow me to insert the graph. It would be greatly appreciated!!!
Click here to see answer by mananth(16946)

Question 424327: find the slope-intercept equation of the line that has the given characteristics: Slope 6 and y-intercept (0, 5)
Click here to see answer by Alan3354(69443)

Question 424329: x + 2y = 5 and 2x + 4y = 7
are the graphs of these two equations perpendicular?
Click here to see answer by Alan3354(69443)

Question 424325: Find the standard equation of the circle through (-2,4) and (6,6)?
Click here to see answer by Alan3354(69443)

Question 424330: use the intercepts to graph the equation: 7x - 4y = 28
Click here to see answer by woolybear(13)

Question 424401: -15(y-2)-3=-5y-11(3y+7)
-15y-2-3=-5y-33y+7
-15y+5= -38y+7
-53y+12

help!!! Is any of what I did correct?
Click here to see answer by nerdybill(7384)

Question 424464: My son's math homework. He didnt bring his book, so walk me through this one and then I will do the others please.
y=-x^2 + 8x -15
Click here to see answer by Gersid(33)

Question 424557: which equation describes a line that passes through the points (3,5) and (2-,3)
Click here to see answer by nerdybill(7384)

Question 424759: graphing by equations linears
x+y=4
x-y=2

Click here to see answer by mananth(16946)

Question 425030: simplify -7(2)-(-6/-3)-1
would it look something like this
-7*2(-6/3)-1
-14(-6/3)-1
then I am lost again?
Click here to see answer by sudhanshu_kmr(1152)

Question 425038: Factor completely; simplify if possible: 16z^2-40z+25
Click here to see answer by sudhanshu_kmr(1152)

Question 425037: Factor completely:
64r^4-121
Click here to see answer by Gogonati(855)

Question 425183: 2. Write each of the following quadratic functions in the form y=ax^2 + bx + c.
a) y= 2x^2 - 7
b) f(x) = 4(x-1)(x+3)
=4x^2 + 2x - 3(Is this CORRECT???)
c) 2(y-4)+7x=-3(x+1)^2-5
Kinda unsure of this whole question. Thanks! Help is appreciated.
Click here to see answer by htmentor(1343)

Question 425294: 12x-25>3x-5(x-6) set builder notation
12x-25>3x-5x-30
12x-25+25>3x-30+25
12x>3x-5x-5
12x-3x>3x-3x-5
Help I'm I going in the right direction
Click here to see answer by solver91311(24713)

Question 425288: Find the x and y intercepts and graph the equation.
-2x+7y=-7
-2x+7(0)=-7
-2x+0=-7
-2x=-7
x=7/2 ( 3 1/2, 0)
2(0)=7y=-7
0+7y=-7
7y=-7
y=0

I'm I on the right track?
Click here to see answer by mananth(16946)

Question 425319: how i do graph
Y= x square root of 2 -5
Click here to see answer by stanbon(75887)

Question 425522: I am struggling with these types of problems. Can you please explain it to me. Thank you very much.
Find the slope of the line containing the following two points
(7/6 seven sixths,-4) and (-1/3 -one third,-1/3 -one third)
I understand rise over run
-4 - -1/3
---------
7/6 - -1/3
Its the fractions that are killing me.
Thank you!
Click here to see answer by sudhanshu_kmr(1152)

Question 425728: My question reads: Write the slope-intercept form of the equation of the line passing through the point (-2,4) and perpendicular to the line y=5x-2. Would I solve the equation by writing the equation as y-4=5(x+2)?
Click here to see answer by scott8148(6628)

Question 426060: -27≤-4c+5<-3
How do I solve this problem? I forget when to switch the arrows and what to subtract first.
Thanks
Paola

Click here to see answer by stanbon(75887)

Question 426058: 4x-6≥-6 and 4x-6≤10
How do I solve this and graph it? I dont remember the steps to this solution problem.
thanks alot!
Paola
Click here to see answer by stanbon(75887)

Question 426133: Write an equation of the line containing the specified point and parallel to the indicated line.
(-7,0),5x+2y=6
Click here to see answer by htmentor(1343)

Question 426219: How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation?
Click here to see answer by solver91311(24713)

Question 426283: I don't know how to do this at all and I understand nothing about inequalities. So If you could maybe email me a link to the BEST and i mean the BEST of the BEST websites that describes that, i would appreciate it SO SO much ! I have to retake my Algebra 1 test and ACE it in order to pass 8th grade. PLEASE I NEED HELP.
Click here to see answer by edjones(8007)

Question 426525: 0.3x-y=0
y=2+0.25x
solve by emlimination
Click here to see answer by ewatrrr(24785)

Question 426535: Write an equation of the line containing the specified point and parallel to the indicated line.
(−7,0),5x+2y=6
Click here to see answer by nerdybill(7384)

Question 426555: Find the equation of a line that passes through the point (1,2) and has a slope of 1/3. Show how you found the equation.
My book doesn't show how to solve with a fraction involved....
This is my attempt at the equation. y=1/3x+2 is this correct?
Click here to see answer by algebrahouse.com(1659)

Question 426621: Could someone please show me how to do these problems step by step so I can learn?
1. solve then graph x+8>2 the graph is like this is a straight line
2. graph the equation and identify the y intercept x=1/2x
Click here to see answer by Gogonati(855)

Question 426637: Find the slope and y-intercept of the line in the given equation y=9/10x-1
Click here to see answer by ewatrrr(24785)

Question 426638: Write the slope-intercept equation for the line with slope 4/5 and y-intercept (0, -1) and graph the line
Click here to see answer by ewatrrr(24785)

Question 426638: Write the slope-intercept equation for the line with slope 4/5 and y-intercept (0, -1) and graph the line
Click here to see answer by Alan3354(69443)

Question 426972: Find the slope and y-intercept of 5x-2y=3.
-2y=-5x+3
y=(-5x=3)/-2
y=5/2x-3/2
The slope is 5/2 and the y-intercept is -3/2.
Did I do this problem correctly? Is this the right answer?
Thanks alot for your help in advance. :)
Elaine
Click here to see answer by mananth(16946)

Question 426978: Write the slope-intercept equation for the line with slope 1/3 and y-intercept (0, -6) and graph the line. Please show all of your work.
Click here to see answer by mananth(16946)

Question 426982: Write the slope-intercept equation for the line that passes through (-7, 6) and is perpendicular to -7x + 9y = -2 Please show all of your work.
Click here to see answer by mananth(16946)

Question 426981: Write the slope-intercept equation for the line that passes through (10, -4) and has slope -3/10. Please show all of your work.
Click here to see answer by mananth(16946)

Question 426995: Could someone please show me how to find the sloe if it exists and what m =?
1.y=7x +9
2.x+8y=16
Click here to see answer by stanbon(75887)

Question 427010: Could someone please show me how to graph the equation and identify the y intercept?
1. x=1/2x
2. 5x-15=3y
Click here to see answer by stanbon(75887)

Question 427014: Could someone show me how to write an equation from a graph when the line is vertical and in quad. 1,3 and intercepts x on -3
Click here to see answer by stanbon(75887)

Question 427101: If the first and third of three consecutive odd integers are added, the result is 69 less than five times the second integer. Find all three integers.
Click here to see answer by ewatrrr(24785)

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