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

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Question 491027: Write an equation for the line containing (-6, -6) and (-3, 1)?
Click here to see answer by Alan3354(69443)

Question 491114: Please help me to solve this algebra problem. Thank you in advance.
Given the formula, Solve the indicated variable.
a = 1/2 bh for b
Click here to see answer by solver91311(24713)

Question 491148: Find the equation of the line that passes through th points (4, -2) & (6, -1)
Click here to see answer by josmiceli(19441)

Question 491142: Find the equation of a line that is parallel to x + 3y = 2 and containing the point (0, 0).
Click here to see answer by mananth(16946)

Question 491172: Determine the value of f(-3)?
Click here to see answer by rfer(16322)

Question 491253: (5, 9)b = (3, 1)
b= {(1,2) (2, 3)}
how do i solve that to get (2, -2) ?? can i get a step-by-step explanation to getting the answer.
Click here to see answer by richard1234(7193)

Question 491264: Solve the system of equations by graphing:
2x-6y=24
3x-9y=-54
Click here to see answer by mananth(16946)

Question 491262: Solve the system by graphing:
y=5x-6
y=-4x+3
Click here to see answer by mananth(16946)

Question 491261: solve the system of equations by graphing:
2x+y=7
x+3y=6

When I tried solving this I put y=-2x-7...So that would make it -7/2x but I don't know how I would graph it...and then the second part I have no clue about.
Click here to see answer by mananth(16946)

Question 491379: What is the slope of the line represented by the following equation?

4x-y+3=0
Click here to see answer by ptth176(50)

Question 491336: Determine if is a solution to . Please show all of your work.
Click here to see answer by Alan3354(69443)

Question 491267: 2-(4y-x/2)=5x+5

Need the slope?
Click here to see answer by ptth176(50)

Question 491397: Solve the system of equations
x + y = 5
x - y = -9

Click here to see answer by ptth176(50)

Question 491566: How would I graph the line described (-4,-6);m=6? I tried doing the y=mx+b but it really doesn't make sense on this question.
Click here to see answer by oberobic(2304)

Question 491623: The point (-2, -1) lies on line m, line m has a slope of m = -7/10. what is equation of line m
Click here to see answer by oberobic(2304)

Question 491676: Find the value of k for which the graph of 6x-ky= 2 is perpendicular to 2x+3y= 7
Click here to see answer by oberobic(2304)

Question 491489: If each engineer needs to meet with each other individually, how many engineers would equal 66 meetings? I cannot come up with this number in my son's homework question. I get 8 engineers at 56 meetings, or 9 engineers at 72 meetings. Please help!
Click here to see answer by richard1234(7193)

Question 491696: Please help me to find the solution and answer in linear equation. How much tin and how much lead must be added to 700 lbs of an alloy containing 50 percent tin and 25 percent lead to make an alloy which is 60 percent tin and 20 percent lead.
Click here to see answer by oberobic(2304)

Question 491903: write an equation of a line with slope 6 passing through the point (6,7)
Click here to see answer by rfer(16322)

Question 491913: Find the equation of the line parallel to 10x + 21y = 15 and passing through the point (0,18).
Click here to see answer by lwsshak3(11628)

Question 492069: What is the slope of the line that contains the points (-2, 5) and (7, 5)?
Click here to see answer by Jstrasner(112)

Question 492073: what are the slope and y-intercept of this equation f(x)=5x-2
Click here to see answer by stanbon(75887)

Question 492421: Find an equation for the line through the point (7−9) with x intercept 3.
Click here to see answer by stanbon(75887)

Question 492428: y=-4-4x
I need to find the Y intercept and then I need to find the X intercept. I am not nowing how to work the problem out the right way.
Click here to see answer by rfer(16322)

Question 492504: what are the steps to solving a problem like this: (x+5)/(x+1)+(5)/(x-2)

Click here to see answer by stanbon(75887)

Question 492580: a line passes through points (2,-5), is parallel to graph of x=4
Click here to see answer by WhuddaPeach(6)

Question 492563: Assume g(x) is a linear function, such that and the graph of g is perpendicular to the line
Find g(x).
Please help me out.
Click here to see answer by richard1234(7193)

Question 492637: Find and equation of the line through (-5,7) perpendicular to 5x-4y=10
Click here to see answer by mananth(16946)

Question 492603: line parallel to the line y = 2x + 5 and through the point (2,-3) whats the answer
Click here to see answer by mananth(16946)

Question 492700: Find an equation for the line that passes through the given points.
(-5,0) and (1,30)
Click here to see answer by mananth(16946)

Question 492683: (3y-13)+(y+33)=180
Click here to see answer by mananth(16946)

Question 492724: Tell whether if the equation is Linear or not. If so, write the equation in standard form and give the values of A,B, and C.
The equation is 2x - y/3 = -4
Click here to see answer by stanbon(75887)

Question 492864: 4. Suppose you have a cookie stand, and when you charge $3 per cookie box you sell 200 boxes. But when you raise your price to $4 you only sell 120 boxes.
a. Write an equation for the number of boxes you sell as a function of the price you charge.
b. Denote "B" for number of boxes, and "P" for the price you charge.
c. Assume the function is linear..
Click here to see answer by josmiceli(19441)

Question 492971: Given a quadratic equation in the form y = ax2 +bx +c , and four choices of graphs representing that equation, how can you tell which choices could be eliminated right away by looking at the equation and looking at the graphs and doing some minimal calculations and not actually plotting any of the points?
Click here to see answer by josmiceli(19441)

Question 493020: please help me?
solve each system by graphing. give the ordered pair of the point of intersection.
5. 2x-y=4
4x+y=2
Click here to see answer by Alan3354(69443)

Question 493005: I need to create and solve an equation, but I don't know how.
The problem is: A moving company weighs 20 boxes you have packed that contain either books or clothes and says that the total weight is 404 pounds. You know that a box of books weighs 40 pounds and a box of clothes weighs 7 pounds. How many boxes of books and how many of clothes did you pack?
Click here to see answer by Earlsdon(6294)

Question 493023: can someone please help me?
solve each system by graphing. give the ordered pair of the point of intersection.
7. 2x-3y=-6
y=-3x+2
Click here to see answer by Alan3354(69443)

Question 493025: can someone please help me?
solve each system by graphing. give the ordered pair of the point of intersection.
6. -3x=4-y
2y=6x+8
Click here to see answer by Alan3354(69443)

Question 493022: can someone please help me?
solve each system by graphing. give the ordered pair of the point of intersection.
8. x+y=3
-2x-3y=-6
Click here to see answer by Alan3354(69443)

Question 493038: What is a line that has a slope of 8 and passes Y-intercept of 5?
Click here to see answer by Alan3354(69443)

Question 493065: How do you write the slope-intercept equation for a line shown on a graph when the slope is going downward? The points are (4,-1) (3,-3).
Click here to see answer by rfer(16322)

Question 493352: 2/(x-1) = 3/(x+3) + 1/(x+3)(x-1)
What are the first few steps to solving this equation for x?
Click here to see answer by stanbon(75887)

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