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

Tutors Answer Your Questions about Graphs (FREE)

Question 99304: The cost for a long-distance telephone call is $0.36 for the
first minute and $0.21 for each additional minute or portion thereof. Write an
inequality representing the number of minutes a person could talk without
exceeding $3.

Click here to see answer by edjones(8007)

Question 99312:
Click here to see answer by lil bit(2)

Question 99315: 5Y-4(2Y+1)<2(0.5-2Y)
Click here to see answer by edjones(8007)

Question 99323: Using the form y=mx+b,find the equation for ;The line thru the orgin that is perpendicular to the line through (-3,0) and(0,- 3)
Click here to see answer by edjones(8007)

Question 99323: Using the form y=mx+b,find the equation for ;The line thru the orgin that is perpendicular to the line through (-3,0) and(0,- 3)
Click here to see answer by scott8148(6628)

Question 99324: Using the form y=mx+b,find the equation for ;The line thru the orgin that is perpendicular to the line through (-3,0) and(0,- 3)
Click here to see answer by edjones(8007)

Question 99367: I basically need to remember how to graph a linear equation how to solve to put it into the point-slope intercept.
Click here to see answer by tutorcecilia(2152)

Question 99439: 3x + 5y + 10 =0
Click here to see answer by checkley71(8403)

Question 99437: sketch the graph of this equation ; x = 9
Click here to see answer by scott8148(6628)

Question 99512: I have a graf that the domaint is 0,1,2,3 and therange is 0,.5,2,4.5 what is the funtion if (1.5,y) is part of the graf
Click here to see answer by stanbon(75887)

Question 99601: Factoring 6x^2 -28x -48
Click here to see answer by stanbon(75887)

Question 99600: Factoring 2z^2 -7x -4
Click here to see answer by stanbon(75887)

Question 99485: Solve each system by the substitution method. Indicate wether each system is independent, inconsistent, or dependent.
x - y =3
3x - 2y =3
Click here to see answer by aaaaaaaa(138)

Question 99482: Solve each system by the substitution method. Indicate wether each system is independent, inconsistent, or dependent.
y= 3x -4
y= -2x + 1
Click here to see answer by mdalis(5)

Question 99714: Factoring 6x^2 -28x -48
Click here to see answer by jim_thompson5910(35256)

Question 99839: Solve the system.
3x - 6y = 12
x � 2y = 4

Click here to see answer by jim_thompson5910(35256)

Question 99852: Hello I need help on graphing this equation.
It says to graph without a calculator but I don't know how to get the correct answer.
graph the following: y = sqrt5-x
Thank you,
Kumi
Click here to see answer by jim_thompson5910(35256)

Question 99877: graph the two lines y1=3*-5 and y2=-7x+4on the same graph. use algebra to find the coordinates of their point of intersection to 3 decimal places
Click here to see answer by checkley71(8403)

Question 99920: y=2/3x-4 How do you graph this equation.

Click here to see answer by checkley71(8403)

Question 99975: How do you solve and graph 3x-6y<12
Click here to see answer by jim_thompson5910(35256)

Question 99975: How do you solve and graph 3x-6y<12
Click here to see answer by fastblue(13)

Question 99975: How do you solve and graph 3x-6y<12
Click here to see answer by edjones(8007)

Question 100001: Hello I have a couple of questions I need you to do for me! Thanks!!
1. Find both the x-intercept and the y-intercept of the line given by the equation
3x+7y-11=0
2. What is the slope of the line ?
4x-3y=-2
3. The cost of water use (in dollars) is a linear function of the amount of water used (in hundreds of cubic feet, HCF), as shown in the figure below. The cost for using 14 HCF of water is $31.40 , and the cost for using 47 HCF is $ 82.55 . What is the cost for using 26 HCF of water?

4. Carmen is a software saleswoman. Carmen's monthly salary is plus an additional for every copy of Math is Fun she sells.
Let S represent Carmen's monthly salary (in dollars), and let N represent the number of copies of Math is Fun that she sold. Write an equation relating to S to N , and then graph your equation.

Click here to see answer by stanbon(75887)

Question 100071: Hello can you solve this question in detail for me.
1. Write the equation in standard form using only integers.
X/4=y/5-7
Click here to see answer by tutorcecilia(2152)

Question 100206: I just took a quiz online and I knew everything, but for some reason this question stumped me. I looked in the chapter to find a problem like this and there were none. How do you solve this:
(4,-3) (3,b) m= -4/5 find b

the answer was something like -34/5
???????? Thanks a lot!!!
Click here to see answer by stanbon(75887)

Question 100234: Hello,

I need help writing an equation for this:

Has no slope and passes through (-6,4).

Thank you
Click here to see answer by tutorcecilia(2152)

Question 100246: I need to find the intercepts, graph and check for symmetry. y=4-x^2, could someone show me step by step?
Click here to see answer by tutorcecilia(2152)

Question 100267: how to find an equation for the line parallel to the line -3x+9y=-9 having the same y-intercept as 4x-9y=8
Click here to see answer by edjones(8007)

Question 100247: I need to find the intercepts, graph and check for symmetry. y=-5x, could someone show me this one also step by step? I tried to do it and came up with 1,-5, on the symmetry I'm not sure if my answers amake sense. For example I have y=5x for the x-axis, does that make it symmetric?
Click here to see answer by doukungfoo(195)

Question 100405: The product of two consecutive even integers is 288. find the integers
Click here to see answer by jim_thompson5910(35256)

Question 100431: Dear Tutor-
I am having trouble graphing these functions. Can you please explain how I should do it? Thanks!
"Graph a function with the following domain and range"
Domain: -4(less than)x(less than or equal to)7
Range: -2(less than)y(lessthan or equal to) 4
Click here to see answer by Nate(3500)

Question 100403: The square of a number is six more than the number. Find the number
Click here to see answer by Nate(3500)

Question 100459: What is the formula for finding the equation of a linear graph

Click here to see answer by checkley71(8403)

Question 100374: generate y=6-x
Click here to see answer by tutorcecilia(2152)

Question 100359: how do you write and graph an equation for
(A LINE PASSING) through (-2,1) and parallel to y=-2/3x-4
Click here to see answer by oberobic(2304)

Question 100599: Directions state to make a table of values and graph six sets of ordered integer pairs for each equation.
x+y=5 (I am trying to help my daughter with her homework and I cant remember what to do!)
Click here to see answer by tutorcecilia(2152)

Question 100607: how do you solve -2x=2y+5
Click here to see answer by tutorcecilia(2152)

Question 100606: how do you solve 6x-5y+20=0
Click here to see answer by tutorcecilia(2152)

Question 100619: Solve by graphing.Indicate wheter it is independent,inconsistent,or dependent.: y = 3x - 4
y = -2x + 1

Click here to see answer by checkley71(8403)

Question 100643: The problem is that i have to find the slope of each line it gives me a x and y on each side like -3x+2y=7 and i can do that one but what do i do whenever there is no x only a y the problem is y=7 and i have to find the slope what do i do ?
Click here to see answer by stanbon(75887)

Question 100628: Graph ( y = 3x - 4
y = - 2x + 1
Click here to see answer by checkley71(8403)

Question 100605: how do you solve 2x-7=0
Click here to see answer by checkley71(8403)

Question 100602: Directions state to make a table of values and graph six sets of ordered integer pairs for each equation.
x+y=5 (I am trying to help my daughter with her homework and I cant remember what to do!)
Click here to see answer by elima(1433)

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