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

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Question 818706: find vertex of 3x^2+x-2=0 then graph it
Click here to see answer by stanbon(75887)

Question 818784: how do you graph y=-3x
Click here to see answer by TimothyLamb(4379)

Question 818921: solve this algebraically X-Y=-3 THIS 2 equation and graph them
X+Y=-1
Click here to see answer by josgarithmetic(39617)

Question 819163: I need help with finding the product of 3x(4x-5)using the distributive property
Click here to see answer by stanbon(75887)

Question 819077: What would the ordered pair be for x-3y=2 and 3x-7y=4. Here is the work that I have done so far. x-3y=2 Then I got y by itself by subtracting x on both sides so I got -3y=-x+2. Then I divided -3y by itself on both sides. So I got y=1/3x-2/3. Then I plugged y into the equation x-3y=2. Once I plugged it in I got x-3(1/3x-2/3)=2. Once I solved that I got x-x-2=2. Then I added 2 on each side to get x-x=4 Then I solved that to get 0x=4 and I didn't know what I did wrong. So I double checked myself to see if I got a different answer. This is what I did; I plugged y into the equation 3x-7y=4 and got 3x-7(1/3x-2/3)=4. Then I distributed and got 3x-(7/3x-14/3=4. After this I got lost and didn't know what to do. If you can help that'd be great! Thanks!
Click here to see answer by ankor@dixie-net.com(22740)

Question 819403: i am i am suppose to write an equation in standard form of the line that passes through the two points which are (-3,-3) and (7,2... i just need to know the steps are to do it and get it right then that will be all.
Click here to see answer by TimothyLamb(4379)

Question 819505: Please help me with this linear Function: .
So far, I got this:
Click here to see answer by stanbon(75887)

Question 820455: find a formula for the parabola with vertex (-5,6) and that passes through the point (-4,9)
Click here to see answer by ewatrrr(24785)

Question 820455: find a formula for the parabola with vertex (-5,6) and that passes through the point (-4,9)
Click here to see answer by Edwin McCravy(20054)

Question 820568: 3y-8<19

Click here to see answer by jim_thompson5910(35256)

Question 820703: You accidentally drop your keys from the roof of a tall building. what would be the most realistic and least realistic graphs?
Click here to see answer by Alan3354(69443)

Question 820677: How can i solve 3x+4y=8 to get x & y intercept then graph it
Click here to see answer by TimothyLamb(4379)

Question 821111: How do I work out this question?
If XYZ Auto Company sold 23,000 vehicles in 1999, how many were SUV's?
4door sedan=33% SUV's=13% Others=12% 2door sedan=25% Trucks=17%
Click here to see answer by TimothyLamb(4379)

Question 821177: use the slope and the y-intercept to graph the equation -3x+2y=7

Click here to see answer by TimothyLamb(4379)

Question 821176: How do you make a table and graph the equation: 2x - y = -4
Click here to see answer by josgarithmetic(39617)

Question 821153: 1. What is the y-coordinate of the equation f(x)=3(x-1)(x+4)
2. Express the function f(x)=-5x^2+20x+2 in vertex form.
a)state the maximum or minimum value.
b)determine the intervals where the function is increasing or decreasing
c)determine the intervals where the function is positive or negative.

Click here to see answer by josgarithmetic(39617)

Question 821268: The graph of f(x) = 7x is shifted 8 units up. What is the equation of the new graph?
Click here to see answer by ewatrrr(24785)

Question 821404: I am having trouble understand inequalities may I please get help ?
Click here to see answer by rfer(16322)

Question 821734: Find the x-intercept and the y- intercept of the graph of the equation.
5x+10y=30
9y-5x =20
8x-2y=16
7x+8y=18
2y-12=-6
2x-0.5y=8
4x-6y=-24
3(x+4y)=-24
Y=-3x+12
Y=-2x-8
Thank you so much for the help you will/are providing me with I greatly appreciate it before hand this Is a great website recommended to me by a friend and I will of course do the same if it works for me thanks
Click here to see answer by TimothyLamb(4379)

Question 821720: Find the slope and y-intercept of the line 2x + 3y = 10 Write the equation of the line with given slope and y-intercept. How would they be graphed using slope and y-intercept

Click here to see answer by TimothyLamb(4379)

Question 821747: please graph this -2/3 p(-2,-3)

Click here to see answer by ewatrrr(24785)

Question 821802: Ann can spend exactly $10 to purchase 25 fruit bars, each equal in price. Ann can also spend exactly $10 to purchase 40 granola bars, each equal in price.
Write an equation which can be used to find all combinations of fruit bars(x) and granola bars (y) that will cost exactly $10.
Graph the equation.

Click here to see answer by TimothyLamb(4379)

Question 821853: 3X GREATER THAN OR EQUAL TO -6
Click here to see answer by ewatrrr(24785)

Question 822033: What is the slope of the line through the points (−6,−8) and (−1,−6)?
Click here to see answer by josmiceli(19441)

Question 822042: find the x intercept and the y intercept of the graph of the equation.
9y-5x=20
and
2x-0.5y=8

thankyou
Click here to see answer by TimothyLamb(4379)

Question 822040: What is the slope of the line through the points (4,−4) and (5,−2)?
Click here to see answer by richwmiller(17219)

Question 822067: This question is in relationship to Quadratic Relationships...I think.
I'm confused on things like:
The area, A, of a rectangle with a side length I meters and a fixed perimeter is given by the equation A=I(240-I).
Suppose one dimension of the rectangle is 180 meters. What is the other dimension, what is the area of the rectangle?
If someone could explain this and problems like this to me,and how to do them, I would be very greatful. Thank you in advance, M.R.J
Click here to see answer by richwmiller(17219)

Question 822045: x and y intercepts
3(x-2y)=-12
and
y=-2x-8
thanks
Click here to see answer by KMST(5328)

Question 822227: (x+6)^2+(y+3)^2=4
ellipse
Click here to see answer by Edwin McCravy(20054)

Question 822269: I have 4 problems I need help on please:

Directions: Use a table of values to graph the equation
1) y=5x+1
2)y=-2x+4
3) 4x + y=-8
4) 2y -x=-1
Please help I'm reviewing for finals ..
Click here to see answer by stanbon(75887)

Question 822284: Write the standard form of the equation of the line.
y-3= -2(x-1)
I tried to do it and got this far:
y-3= -2x+2
+3 +3
y= -2x+s
Click here to see answer by ewatrrr(24785)

Question 822293: What is the slope of a line parallel to the line whose equation is y - x = 5?

Click here to see answer by LinnW(1048)

Question 822290: What is the equation of the line that is parallel to this line x intercept of -2 and y intercept -3 and has a y-intercept of 1?
A. Y=-3/2x+1
B. Y= 3/2x+1
C. Y=-2/3x+1
Click here to see answer by richwmiller(17219)

Question 822314: What is the equation of the line that passes through (1,1) and has a y intercept of 2?

Click here to see answer by richwmiller(17219)

Question 822423: What is the slope of a line that is parallel to the x-axis?

0
1
undefined
Click here to see answer by TimothyLamb(4379)

Question 822422: Write the equation of the line that has an undefined slope and passes through the point (4, 7).

y = 4
x = 4
y = 7
x = 7
Click here to see answer by TimothyLamb(4379)

Question 822633: the slope of a line -1/3. Find the slope of the line perpendicular to this line.
Click here to see answer by ewatrrr(24785)

Question 822639: What is the slope of the line that passes through (-2, 7) and (4, 9)?

Click here to see answer by josmiceli(19441)

Question 822700: Graph the function using transformations. State the domain, the range and asymptotes
Thank you for your help

Click here to see answer by ewatrrr(24785)

Question 822744: graph of a line with a slope of -2 that passes through (3,4)

Click here to see answer by stanbon(75887)

Question 822769: What is the solution point for the following equations?
x=50 for these problems.
y=80+1(x-40)
y=1.90x
I'm coming up with (84.45, 44.45), is this correct?
Thank you!
Click here to see answer by ewatrrr(24785)

Question 822777: use a table of values to graph the equation 4x + 4y = 2
help?
Click here to see answer by oscargut(2103)

Question 822926: |n-4| / 5 =2
Click here to see answer by jim_thompson5910(35256)

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