Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Tutors Answer Your Questions about Linear-equations (FREE)

Question 318208: Factor 3x^2 +17x +10
Click here to see answer by Fombitz(32388)

Question 318348: V-4(v-4)=-2(2v-1)
Click here to see answer by nyc_function(2741)

Question 318277: Find the slope of the line: through (5,-2) and (-1,-9), with equation 4x-5y=10.
Click here to see answer by Alan3354(69443)

Question 318384: Please help to solve this equation. I'm getting messed up right off the bat with the -4... or did I do it correctly?
-3 -4(t-5)= -2(t +3) +11
This is what I did...
-3 - 4t + 20 = -2t � 6 + 11
-4t + 2t = 3 � 6 + 11 - 20
-2t = -12
t = -12/2 = -6

Is it correct ? THANKS!!! --Sandy
Click here to see answer by jim_thompson5910(35256)

Question 318423: Find an equation of the line containing the given pair of points (1/6, -1/3) and (5/6, 5)
Click here to see answer by jim_thompson5910(35256)

Question 318427: Hi; I have a problem I need help with please! I am to solve for y
y + 1/2 = -1/3(x + 1/2)
Do I try to get rid of the fractions first by multipying everything by the common denominator of 6? or do I need to get rid of what's in parenthesis first? I am getting mixed up--- I can't get rid of the parenthesis before getting my LCD, can I?

Thanks in advance for your guidance!---Sandy
Click here to see answer by jim_thompson5910(35256)

Question 318225: Please help! I need help with two problems. I have been working on these for 2 hours now and I am lost???
5[5m-(m+8)]>-4(m-1)
graph the system of inequalities
x<=2
y>=-2x+3
Thank You so much in advance!
Click here to see answer by ankor@dixie-net.com(22740)

Question 318454: Please help me to solve for the unknown variable
-5/12 = s - 7/24
Click here to see answer by mananth(16946)

Question 318456: Please help to solve this problem:
x - 9/4 = 1/3
Click here to see answer by mananth(16946)

Question 318441: What are the graph coordinates of 3y - 9 = 3x
Click here to see answer by Fombitz(32388)

Question 318505: write an equation of the line which is perpendicular to y= (-2/3)x -5
and passes through point (6,3).
Click here to see answer by Alan3354(69443)

Question 318382: how do you write the equation in standard form with integer coefficients?
2x-9= 3/5y
1/4x-2y=-3
y=1/2x+4
y=2/3x-5/3
Click here to see answer by Fombitz(32388)

Question 318540: You are planning to spend no less than $7,000 and no more than $12,500 on your landscaping project. Write an inequality that demonstrates how much money you will are willing to spend on the project.

Click here to see answer by rfer(16322)

Question 318569: i need help finding in slope intercept form through the points of (-3,1) and (5,4) I know i use y-y2 and x-x2 and then use y=mx+b , but i am stuck, thanks
Click here to see answer by jim_thompson5910(35256)

Question 318592: Solve the System of equations:
1/3x + 1/3y= 2
x-y = -2
solve for x and y
stuck with the fractions, they always throw me off...any help would be greatly appreciated! Thanks!
Click here to see answer by jim_thompson5910(35256)

Question 318599: i am not understanding how to find an equation of a line that has a slope of -8 and passes through (-1,5). Write in slope intercept form
Click here to see answer by Fombitz(32388)

Question 318606: find the constant term to be added to the expression x^2-5/2x to form a perfect square trinomial
Any help would be amazing! Thanks!
Click here to see answer by scott8148(6628)

Question 318657: Please help me!! -10y+8(3-y)+20 = 3+2*4*y-y
Click here to see answer by jim_thompson5910(35256)

Question 318718: 3x-2y+4=0
Click here to see answer by nyc_function(2741)

Question 318711: 3x+y-2=0
Click here to see answer by nyc_function(2741)

Question 318794: slope of a line preendicular to 9x - 6y =12
Click here to see answer by Fombitz(32388)

Question 318755: Imagine you want to cover a backyard with decorative rock and plant some trees. You need 30 tons of rock to cover the area. If each ton costs $75 and each tree is $93, what is the maximum number of trees you can buy with a budget of $2,500? Write an inequality that illustrates the problem and solve. Express your answer as an inequality.
I have been trying to figure out the above question for days this is what I came up with
$75x$93= $6,957 but I went over the budget. What am I doing wrong? Thank You
Click here to see answer by Fombitz(32388)

Question 318863: How do i find the slope for the lines (6, 2)(-6, -4)?
Click here to see answer by excoastie725(4)

Question 318198: Why is the line x = 4 a vertical line?
Click here to see answer by JBarnum(2146)

Question 318897: what is the intercept form of y2=-7/9(x-4)
How do I come up with 10/9
Click here to see answer by Fombitz(32388)

Question 319019: Find an equation of the line that passes through the point (-1,3) and is parallel to the line passing through the points (-2,-3) and (2,5).
Click here to see answer by Fombitz(32388)

Question 319059: how do you write the linear equation y+3= 2/5(x+9)

Click here to see answer by Fombitz(32388)

Question 319159: The problem question is :Write an equation of the line passing through (-4, 4) with slope 5. Give the answer in slope-intercept form. Use y as the dependent variable and x as the idependent variable.
Please help, I'm having a hard time with this one.
Click here to see answer by Fombitz(32388)

Question 319111: Please help me!!The amount of revenue made in Company XYZ is predicted to make follows the mathematical model y = 20.5x-5000, where y is the amount of revenue, and x is the number of employees

How much revenue is estimated if there are 200 employees in the Company?
How many employees must be hired to break even?
Rewrite the mathematical model equation in terms of x, ie x=????
How many employees are needed to make at least $6000?

Click here to see answer by nyc_function(2741)

Question 319171: I'm working with graphing equations and slopes, and I'm stumped:
The instruction is to "graph the specified lines. Draw l1 (the second 1 is a subscript 1) through (-4, 0) and (0, 6). What is the slope of any line parallel to l1 (again, the second 1 is a subscript Draw l2(the 2 is a subscript 2) through the origin and parallel to l1(the second 1 is a subscript)
I have no idea what this question means... please explain?! THanks in advance for your help!
Click here to see answer by solver91311(24713)

Question 319276: x+y=3
x-y=4
Click here to see answer by Fombitz(32388)

Question 319292: x-y=4
x+y=2
Click here to see answer by mananth(16946)

Question 319339: Can you help me? 3y+3x=2x-18-2y
Click here to see answer by vleith(2983)

Question 319294: x+y=3
x-y=4
Click here to see answer by nyc_function(2741)

Question 319359: Please help me find the equation in which the line has a X-intercept of 5 and a slope of 3
Click here to see answer by Alan3354(69443)

Question 319353: Please find the equation with a x-intercept of 5 and a slope of 3.
Click here to see answer by nerdybill(7384)

Question 319369: I need help with this problem
graph the euation and indentify the y intercept
y=1/2x-1
Click here to see answer by nyc_function(2741)

Question 319372: Please help me! Graph 3y>12x+15
Click here to see answer by Alan3354(69443)

Question 319373: Please help me graph 3y>12x+15
Click here to see answer by solver91311(24713)

Question 319373: Please help me graph 3y>12x+15
Click here to see answer by stanbon(75887)

Question 319268: 5x + 1 = 21
Click here to see answer by rfer(16322)

Question 319423: Please help me solve by any method:
x=4y-3
-3x-y=0

Click here to see answer by mananth(16946)

Question 319275: Determine the linear equation for coordinates, (0,1) and (5,4) on the coordinate plane. Express your solution in the ax+by=c format.
Click here to see answer by Alan3354(69443)

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