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

Tutors Answer Your Questions about Graphs (FREE)

Question 791780: Find the domain and range for y= square root (x-1) +2
Click here to see answer by solver91311(24713)

Question 791876: 5x - 7y > 14 solve for y

5x - 7y > 14
-5x -5x
-7y > 14 - 5x
stuck here ?

Click here to see answer by jim_thompson5910(35256)

Question 791876: 5x - 7y > 14 solve for y

5x - 7y > 14
-5x -5x
-7y > 14 - 5x
stuck here ?

Click here to see answer by solver91311(24713)

Question 791894: I tried to listen in class, but the teacher was talking way over my head, and I lost her.
I have six HW questions could you please help me solve one, so I can finish the rest?
The instructions are " graph each equation on graph paper.
1. y-2=(x-3)
I have no understanding of what this is please help, Thanks.
-Richard
Click here to see answer by Alan3354(69443)

Question 791923: 2(13 − 2x) ≤ −16
26 - 4x < -16 don't now where to go from here ?
Click here to see answer by jim_thompson5910(35256)

Question 791961: Please help me :)
Explain in your own words how to describe a graph as specifically as possible. Draw a graph of your own and describe it.
Thanks,
Ashley!
Click here to see answer by jim_thompson5910(35256)

Question 791753: Y=-3x + 8
Y=-5x - 2

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

Question 792334: Can someone help me solve this step by step?
Solve the inequality and graph the solution.
|y-8|<_7
Click here to see answer by Alan3354(69443)

Question 792381: Write the equation of a line parallel to the given line but passing through the given point.
y=-1/2x+1 (4,2)
Then write the equation of a line perpendicular to the given line but passing through the given point.
Y=-3x-6; (-1,5)
*I believe I have the second part complete. I got the answer y=3x+5, but I cannot figure out the top equation to save my life. please and thank you.

Click here to see answer by jim_thompson5910(35256)

Question 792581: How do you shade a graph when there's more than one inequality? Say 2-3 inequalities on 1 graph.
Click here to see answer by josgarithmetic(39617)

Question 792918: -2x+5y=10 find the slope of a line perpendicular
Click here to see answer by psbhowmick(878)

Question 793444: I need help with writing the equation of the line that passes through the indicated point and has the indicated slope.
A(3,4), m=1
Click here to see answer by jim_thompson5910(35256)

Question 793705: Can someone help me solve this?
Solve the system by the elimination method.
3x-5y=1
6x-10y=4
Click here to see answer by stanbon(75887)

Question 793696: A line passes through the points (-10,-4) and (-1,2)
What is the y-intercept of the line?

Click here to see answer by stanbon(75887)

Question 793896: Can someone help me solve & graph this?
Solve the inequality and graph the solution.
|5y|-y>20
Click here to see answer by stanbon(75887)

Question 793913: Can someone help me solve & graph this?
Solve the inequality and graph the solution.
|2d-2|<10.8
Click here to see answer by rothauserc(4718)

Question 793993: What is the range of the function f(x)= 3x-1
Click here to see answer by jim_thompson5910(35256)

Question 794044: Can someone help me solve & graph this?
Solve the inequality and graph the solution.
|4x-1|=>11
Click here to see answer by stanbon(75887)

Question 794093: x>-4 and x ≠ 1
What is the interval notation of this? I'm having some problems =/
Click here to see answer by lwsshak3(11628)

Question 794220: If the distance between (-2, -3) and (6, y) is 10, what is y?
Click here to see answer by Edwin McCravy(20054)

Question 794381: write a slope-intercept equation of the line whose graph is parallel to y=6x-9 and has the y-intercept (0,8)
y=?
Click here to see answer by rfer(16322)

Question 794530: I'm having trouble solving 3x>4x
Click here to see answer by Alan3354(69443)

Question 795349: find the slope and y intercept of a line whose equation is 6x+5=7

Click here to see answer by Alan3354(69443)

Question 795469: What are the x and y intercepts for x^2y-x^2+4y=0?
Click here to see answer by stanbon(75887)

Question 795475: What is the x-intercept of y=square root x^2+9?
I squared both sides and ended up with 0=x^2+9
subtracted 9 from both sides .... -9=x^2
Since a negative doesn't go under a radical, do I divide by -1? And if I divide by -1 what do I do with -x^2?
Click here to see answer by stanbon(75887)

Question 795789: How do you find the x and y intercepts for the equation: y=8x + 24
Click here to see answer by Alan3354(69443)

Question 796112: I need to know how to graph the following problems on a graph.
1. y= 2x+5
2. 2x+ 3y= 8
3. y= 3x-5
4. 4y= 2x-9

Click here to see answer by Alan3354(69443)

Question 796485: a number is multiplied by 5, and then 3 is subtracted from the product. the result is 12. find the number
Click here to see answer by luke94(89)

Question 796770: how do you skect this on a grapgh x+3y=6
Click here to see answer by solver91311(24713)

Question 797256: Write the coordinates of three points that satisfy each condition.
The x coordinate is is the opposite of the y coordinate.
Click here to see answer by DrBeeee(684)

Question 797367: Graph the equation
Y+x= -2
Click here to see answer by solver91311(24713)

Question 797457: how do you solve this
-5x+5y>1

Click here to see answer by Alan3354(69443)

Question 797555: Cant wrap my head around this one either folks. I am just not that great at doing algebra in my head and word problems makes it worse if any one could help and help me understand the quagmire it would be great..right now i think the answer is purple because aliens do not wear hats....
Suppose the birth rate among teenagers in a certain country, measured in births per 1000 females age 15-19, fell steadily from 62.3 in 1992 to 41.3 in 2005 graph the given data and determine an equation for the related line then use the equation to answer parts (a) and (b)
(a) calculate the birth rate among teenagers in 1999
(b) Predict the birth rate among teenagers in 2009

Click here to see answer by stanbon(75887)

Question 797697: The verticies of a triangle are D (6,6) E (-3,0) and F (0,-3). Find the coordinates of the point of intersection of the altitudes of the triangle through D and E. Also prove that the three altitudes are concurrent by showing that this point lies on the the third altitude.
Click here to see answer by solver91311(24713)

Question 797744: How to graph this equation labeling all "important" points.

Click here to see answer by stanbon(75887)

Question 797787: i need two points for y=6x on a graph.
Click here to see answer by Alan3354(69443)

Question 798058: HOW DO YOU GRAPH F(X)= X-2 WHEN X = -2
Click here to see answer by Alan3354(69443)

Question 798119: Sketch the graph x=1/4y^2-2y-1. Show ALL work.

Click here to see answer by Alan3354(69443)

Question 798190: y=3x-8
y=x-8
Click here to see answer by jim_thompson5910(35256)

Question 798336: Write an equation for a line passing through the points (t, 2b) and (c, 3b)?
Determine whether the graph of the given equation are parallel,perpendicular, or neither y=x+11
y=-x+2. Please help me. I'm confused. Thank you so much
Click here to see answer by rothauserc(4718)

Question 798338: REWRITE Y=1/3X+4 IF THE SLOPE CHANGES BY A FACTOR OF 3 AND THE LINE SLIDES DOWN 5 UNITS
A. Y=3X-1
B. Y=X-1
C. Y=3X+9
D. Y=X+9
Click here to see answer by Edwin McCravy(20054)

Question 798620: 3) The profit function for Wannamaker Trophies is , where f represents the design fee for a customer�s awards and m represents the monthly office rent. Also, P represents the monthly profit in dollars of the small business where x is the number of awards designed in that month.
a) If $80 is charged for a design fee, and the monthly studio rent is $1,600; write an equation for the profit, P, in terms of x.
b) How much is the profit when 50 award designs are sold in a month? Answer:
c) How many award designs must be sold in order to maximize the profit? Show your work algebraically.
d) What is the maximum profit?
Click here to see answer by Finavon(81)

Question 798887: Find the equation of the line in slope-intercept form satisfying the given conditions.
Parallel to y=6x+5 ; y-intercept of -2
Click here to see answer by Alan3354(69443)

Question 799301: The rectangular playing area of a professional football field is 100 yards long. The perimeter of the playing area is 920 feet. The formula for the perimeter of a rectangle is P = 2l + 2w. What is the width of the playing area?
Click here to see answer by thejackal(72)

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