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

Tutors Answer Your Questions about Graphs (FREE)

Question 335512: how do i work with: f(x)= √(x-2) if √(-x) don't exist.. well yea in imaganary numbers... my question is how i graf, find the domain and counterdomain?
Click here to see answer by Fombitz(32388)

Question 335673: Graph each equation:
y= -x^2 + 2x - 1
x= -y^2 + 2y - 1
Click here to see answer by Fombitz(32388)

Question 334371: Please help me solve this equation: z+3<1 or 1
Click here to see answer by Fombitz(32388)

Question 334289: Please draw graph of interval [-4,10]
Click here to see answer by Fombitz(32388)

Question 335741: 4x+y=7
Click here to see answer by rfer(16322)

Question 335726: three weeks ago,an art supply store started selling a paint kit for 75% of the original price.Now the kit is 15% off the sale price.The expression 0.75x-0.15(0.75x)represents the current price of the paint kit where x is the kit's original price (in dollars).find the current price of the kit if it originally cost $48.
Click here to see answer by rfer(16322)

Question 335863: M=5/6,(9,-3)
y=
Click here to see answer by Alan3354(69443)

Question 335916: Find the solutions to 6x^2 + 5x - 4= 0. Is the sum of your solutions equal to
-b/a? Explain why the sum of the solutions to any quadratic equation is -b/a?.
(Hint: Use the quadratic formula.)
Click here to see answer by stanbon(75887)

Question 335914: 3x=5y=-11
x-2=11
Click here to see answer by Alan3354(69443)

Question 335965: the dealer's asking price for new car is $9750. Maria Blackstone offered to pay $7800. Maria's price is what percent of the dealer's price?

Click here to see answer by checkley77(12844)

Question 335964: the dealer's asking price for new car is $9750. Maria Blackmunn offered to pay $7800. Maria's price is what percent of the dealer's price?

Click here to see answer by checkley77(12844)

Question 336217: Determine the missing coordinate in the ordered pain so that it will satisfy the equation 6x+5y=17
Answer : ( -5, ___ )
Click here to see answer by rfer(16322)

Question 336402: what is the function rule if the domain is 1, 2, 3, 4 and they are plotted on the graph at 1,3 2,7 3,11 and 4,15
Click here to see answer by user_dude2008(1862)

Question 336407: what is the function rule if the domain is 0, 1, 2, 3 and they are plotted on the graph at (0,5) (1,7) (2,9) (3,11)
Click here to see answer by user_dude2008(1862)

Question 336425: what is the function rule if the domain is 3, 6, 9, 12 and they are plotted on the graph at (3,1) (6,2) (9,3) (12,4)
im available to chat on gmail.com dannyparmertor@gmail.com
Click here to see answer by user_dude2008(1862)

Question 336585: please help. what is the area between the two curves y=-4x+3 and y=x^2 +6.
could you be kind enough to show working.
thank you.
Click here to see answer by stanbon(75887)

Question 335885: -1<6x+5<17

Click here to see answer by Fombitz(32388)

Question 336793: I need to write the slope-intercept inequality for this graph that has the points (0,1) and (3,-1). I just don't get how to do it, I've trying to figure it out for hours and its overwhelming.
Click here to see answer by checkley77(12844)

Question 336230: how to graph 3y+x=5?
this is what i did and what i got:
3y+x=5
-x -x
--------
3y=-x+5
(divide 3 on both sides of the equal sign)
y=-1/3x+5/3(my answer)
*now my question is: how do u graph that?
Click here to see answer by Fombitz(32388)

Question 337161: I am trying to figure finding slopes, if it exists, of the line containing the pair of points.
However I do not know what the and in the equation means? for example (8,4)and(9,-9)
trying to find slope m=
Can you help explain what this is please? Thanks Mary
Click here to see answer by jim_thompson5910(35256)

Question 337212: graph the line:
3x-4y=8
Click here to see answer by Fombitz(32388)

Question 336265: I am having problems understanding how to solve these equations as well as graph them. Here are the equations x+y=11 and x-y=1. Please help me understand so I can pass my algebra class.

Click here to see answer by Fombitz(32388)

Question 336922: Determine whether the graph of the equations are perpendicular
8x-7y=2
8y-7x=5
Click here to see answer by Fombitz(32388)

Question 337530: f(x) = -2x2 + 8x -1 find the cooordinates of the vertex for the parabola defined by the given quadratic function.
Click here to see answer by Fombitz(32388)

Question 337408: What would the slope intercept form be for
Click here to see answer by Fombitz(32388)

Question 337639: If 4/3x >-1, what is the set of all possible values of x?
Click here to see answer by Fombitz(32388)

Question 337640: Find the solution of-4/3k - 1/4 <_(less or equal to ) 5
Click here to see answer by Fombitz(32388)

Question 337700: Write an equation of the line containing the given point and perpendicular to the given line. Express your answer in the form y=mx+b. (9.-4); 4x+7y=5
Click here to see answer by solver91311(24713)

Question 337756: I need to grpah the following:
y= 2x-1,
y=(-3/4)x+5
y=x2-4
y=-3x2-6-5

Click here to see answer by jim_thompson5910(35256)

Question 337755: I need to graph on a coordinate plane the follwoing:
(3,-2), (0,0), (-1,7), (3,5), (-4,-5).
Click here to see answer by Fombitz(32388)

Question 337819: graph the inequality
2x+3y<0
Click here to see answer by jim_thompson5910(35256)

Question 338378: How would you graph -2x+y=-6 ?
Click here to see answer by rfer(16322)

Question 338626: Write the equation of the line that passes through (1, 3) and (4, 4) in standard form.
Please and thank you
Sincerely
Alisha
Click here to see answer by nerdybill(7384)

Question 338734: graph the equation x^2(y)-y^3-5x^2+5y^2=0
Click here to see answer by Fombitz(32388)

Question 338765: Solve and graph.
-7≤4x+5 and 4x+5<17
The solution is {x|___≤x<___}
Click here to see answer by mananth(16946)

Question 338764: Solve and graph the compound inequality.
x + 9 < -3 or x + 9 > 1
The solution of the compound inequality is {x | x < ______ or x > ______}
Click here to see answer by mananth(16946)

Question 338780: can you write an equation of the line containing the given point and perpendicular to the given line; (6,-5); 2x+2y=5
Click here to see answer by mananth(16946)

Question 338908: I need to graph two equations,
y=55x
and
y=35x+80
,on the same coordinate plane, while using the following values for x and y to create the graph 0 _<_ x _<_ 10 and 0 _<_ y _<_ 800.
Click here to see answer by Fombitz(32388)

Question 338921: Where is the vertex located in drawing the graph of y=4 sqrt 2x-6+1 ?
Click here to see answer by jrfrunner(365)

Question 338055: graph this for me Please! -x < 2
Click here to see answer by jim_thompson5910(35256)

Question 338986: what is the period of 12sin(3x)
Click here to see answer by jim_thompson5910(35256)

Question 339012: write an equation perpendicular to 2x - y = 1 going through (3,5) and graph
Click here to see answer by jim_thompson5910(35256)

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