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

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Question 82285: Could someone please help me with this??
First, this says to use the elimination method. What is that??
Heres the problem-
*use the elimination method to solve:
4x-5y=12
6x+10y=18
Click here to see answer by mariaq(3)

Question 82282: Please help with this. It is the last assignment before finals, and I can't seem to get this:
GRAPH each equation to find the solution of the system:
x-y=4
2x+3y= -2
Thanks to whoever can help me with this problem.
Click here to see answer by stanbon(57967)

Question 82321: length = 6.5 m
width = ?
heigth = 2.5 m
volume = 65 yd to the third power
what is the width?
Click here to see answer by checkley75(3666)

Question 82231: please help.
A line passing through (-10,-1)and (-8,y) is perpendicular to a line with slope -2/9. Find the value of y.
thank you.
Click here to see answer by scott8148(6628)

Question 82364: please help me with this incredably hard question!
58.5=3.5x-6
58.5-6=3.5x
52.5=3.5x
52.5/3.5=x
so 15=x
what did i do wrong?
Click here to see answer by stanbon(57967)

Question 82415: graph y=-2x+1 Please show me how you get the answer.
Click here to see answer by 303795(595)

Question 82418: Find the slope of the line passing through the points (7,10) and (3,6).
Click here to see answer by jim_thompson5910(28715)

Question 82421: write the equation of the line that passes through point (4,17) with a slope of 3.
Click here to see answer by jim_thompson5910(28715)

Question 82420: find the slope of any line parallel to the line through points (18,2) and (3,3).
Click here to see answer by jim_thompson5910(28715)

Question 82396: Find the slope of any line parallel to the line through points (20, 3) and (9, 4).
Click here to see answer by jim_thompson5910(28715)

Question 82395: Write the equation of the line with x-intercept (14, 0) and y-intercept (0, 2).

Click here to see answer by jim_thompson5910(28715)

Question 82393: Write the equation of the line that passes through point (5, 12) with a slope of 3.

Click here to see answer by jim_thompson5910(28715)

Question 82397: Find the slope and y-intercept.
–5x + 3y = 9

Click here to see answer by jim_thompson5910(28715)

Question 82391: Find the slope of the line passing through the points (–5, 1) and (10, 1).
Click here to see answer by jim_thompson5910(28715)

Question 82390: Find the slope of the line passing through the points (5, –7) and (3, –1).

Click here to see answer by jim_thompson5910(28715)

Question 82457: Could someone help me please?
Find the slope and y-intercept?
y=x
Click here to see answer by checkley75(3666)

Question 82483: please help.
Solve for b.
a=1/2bc^2
Click here to see answer by stanbon(57967)

Question 82485: Find the equation of the line with an x-intercept of 4 and a y-intercept of -3.
Click here to see answer by jim_thompson5910(28715)

Question 82542: given g(x) -2x+2, find g(2a)
Click here to see answer by tutor_paul(490)

Question 82558: Complete the ordered pairs for the equation y = 5x + 5.
(__,0),(1/5,__),(0,__),(-1/5,__)
Click here to see answer by funmath(2925)

Question 82562: please help with this one:
solve the system by any method possible:
x= (7/4)y + 7
4x-7g = 33
Click here to see answer by funmath(2925)

Question 82600: 2xy=24. find whole numbers for solution
Click here to see answer by Nate(3500)

Question 82621: write the equation of the line that passes through points (4,17) with a slope of 3.
Click here to see answer by checkley75(3666)

Question 82362: How would you graph
, , and

Thank you your help is greatly appreciated.
Click here to see answer by ankor@dixie-net.com(15746)

Question 82667: How do you write the equation for a line passing through each pair of points?
example:
(3,5) (-3,1)
Click here to see answer by jim_thompson5910(28715)

Question 82684: What is the equation for y, if the problem is -x/3 + y/2 =1. According to the text the answer must be written in the form y=mx + b, where m and b are real numbers.
Click here to see answer by stanbon(57967)

Question 82689: Find an equation of a line parallel to
y = -2x + 5
and through (0, 8).

Thank you
Click here to see answer by jim_thompson5910(28715)

Question 82688: Given the following equation
6x - 7y = 8
Find the slope of the line.

Click here to see answer by jim_thompson5910(28715)

Question 82686: Please Graph the following two linear equations y= -4x+1 and y= -4x-10
Click here to see answer by checkley75(3666)

Question 82759: Find the slope -6x-9y=12...Please help
Click here to see answer by checkley75(3666)

Question 82804: Could you please help me with this..it is a study question and I am working hard to figure it out. Thank you very much, your tutoring is greatly appreciated!!
Find the equation of the line through (2, 4) and (5, 7). Write the equation in standard form.
Click here to see answer by stanbon(57967)

Question 82836: Identify the slope of each direct variation
1. a. y = 7x b.y= -3x c. y= x d. y= 1/2x
e. y= -1.4x f.y= 2.673x g. y= 3 2/3x h. y= -8x
Click here to see answer by tutorcecilia(2152)

Question 82836: Identify the slope of each direct variation
1. a. y = 7x b.y= -3x c. y= x d. y= 1/2x
e. y= -1.4x f.y= 2.673x g. y= 3 2/3x h. y= -8x
Click here to see answer by funmath(2925)

Question 82825: How do I calculate the slope of a line graph?
Click here to see answer by tutorcecilia(2152)

Question 82754: Find the equation of a line that is perpendicular to 3x+2y=12 and passes through the point (0,2)
Click here to see answer by checkley75(3666)

Question 82873: What is the slope of a line perpendicular to the line passing through (-2,6) and (0,10)?

Click here to see answer by jim_thompson5910(28715)

Question 82879: How do I find the slope of the line passing through the points (1,1) and (3,3)?
Click here to see answer by jim_thompson5910(28715)

Question 82872: What is the equation of the line in slope-intercept form passing through (-5,2) and (2,9)?
Click here to see answer by jim_thompson5910(28715)

Question 82922: Could someone lease help me with my study problem:
Find an equation of a line with slope -3 and through (2, 4)
Thank you very much for your help.
Click here to see answer by jim_thompson5910(28715)

Question 82923: Could a tutor please help me to find an equation that goes through (4,0) and (4,4)
Thank you for your assistance!!
Click here to see answer by stanbon(57967)

Question 82923: Could a tutor please help me to find an equation that goes through (4,0) and (4,4)
Thank you for your assistance!!
Click here to see answer by Edwin McCravy(8999)

Question 82830: write the standard form of the equation:
through (-1,-3) perpendicular to y=-1/5x +5
Click here to see answer by jim_thompson5910(28715)

Question 82925: Could I please have help in graphing...Thank you!
How do I graph this linear equation: 6x-7y=8
Click here to see answer by jim_thompson5910(28715)

Question 82925: Could I please have help in graphing...Thank you!
How do I graph this linear equation: 6x-7y=8
Click here to see answer by stanbon(57967)

Question 82928: I think I'm getting the hang of it, I used to be terrified of Math, but at the tender age of 48 (smile), I'm making some headway!
Could someone please instruct me on how to graph the linear equation 6x-7y=8
I can't remember if I asked this already..If so please forgive me!!!
Thank you!!
Click here to see answer by Nate(3500)

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