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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 436955: Find the slop if it exists of the line containing the pair of point. What is the slop in an simplified fraction?
(-9,-7) and (-19,-11)

Click here to see answer by ewatrrr(10682)

Question 436952: Find the slope if it exists.
y=-8x+3
Click here to see answer by Alan3354(30993)

Question 437022: solve for y, find the three points, and draw the graph for the following equation 6x+2y= -6
i have tried 6x+2y-6x+-6-6x
=2y/2-6x/2-6/2
=y=-6/2x-(-3)
Click here to see answer by oberobic(2304)

Question 437080: Determine whether the lines are parallel, perpendicular, or neither.
2x+5y=8
-5x+3=2y
my answer was perpendicular is this right if not what is the right answer and how did you get it.
Click here to see answer by rwm(914)

Question 437070: Find an equation of the line containing the point (-2,-5) and parallel to the line 4x-5y=13.
and
Find an equation of the line containing the point (-2,-5) and perpendicular to the line 4x-5y=13.
For the first question I got y=(4/5)x-17/5 is this right and how do you do the other one.
Click here to see answer by scott8148(6628)

Question 436990: If point (d,3) lies on the graph of 3x-y=9 what is the value of d?
Click here to see answer by ankor@dixie-net.com(15645)

Question 437132: find an equation of the line having the given slope and containing thr given point. express your answer in the form y=b or y =mx+b
Click here to see answer by stanbon(57282)

Question 437138: PLEASE HELP ME SOLVE THIS 3X-5Y=-9 3X-6Y=-8
Click here to see answer by stanbon(57282)

Question 437138: PLEASE HELP ME SOLVE THIS 3X-5Y=-9 3X-6Y=-8
Click here to see answer by oberobic(2304)

Question 437141: How do I find the slope and the y-intercept of this problems:
10x=9y+81
Click here to see answer by stanbon(57282)

Question 437184: Determine wheather the lines a parallel, perpendicular, or neither.
2x+5y=8
-5x+3=2y
Click here to see answer by mananth(12270)

Question 437184: Determine wheather the lines a parallel, perpendicular, or neither.
2x+5y=8
-5x+3=2y
Click here to see answer by Lovely Jhea(1)

Question 437174: Find the domain of f(x)=(√(4-x))/(|x|-2)
Click here to see answer by robertb(4012)

Question 437306: x-3y=9
x+3y= -3
solve equation by graphing i am so lost can you help me

Click here to see answer by ewatrrr(10682)

Question 437306: x-3y=9
x+3y= -3
solve equation by graphing i am so lost can you help me

Click here to see answer by Alan3354(30993)

Question 436950: Determine weather the following three points make a right triangle.
(2,-5), (-5,2), (-6,-3)
Click here to see answer by ewatrrr(10682)

Question 437214: the table lists the average salaries of several professional athletes
in the years 1991 and 2001.
Year Average salary
1991 $262,000
2001 $1,360,000
A. A linear function that fits the data is s(x)=?
(x=number of years since 1990, and s=average salary x years from 1990.)

B. The predicted average salary for 2005 is?
The predicted average salary for 2010 is?
I know if I figure out a linear function for part A then I can figure out the rest.
Click here to see answer by ewatrrr(10682)

Question 437362: Complete the ordered pair below for the equation y=-10x+9 (0,_)
Click here to see answer by shree840(260)

Question 437374: Complete the ordered pair below for the equation y=-2x+3
(0,3).
Done.
Click here to see answer by Gogonati(809)

Question 437388: Find the equation of the line having given slope and containing the given point
m=7/8, (7,-9)
Click here to see answer by nerdybill(6951)

Question 437402: Write an equation of the line containing the given point and perpendicular to the given line.
(0,9) 4x+7y=2
Click here to see answer by stanbon(57282)

Question 437402: Write an equation of the line containing the given point and perpendicular to the given line.
(0,9) 4x+7y=2
Click here to see answer by ewatrrr(10682)

Question 437400: Find an equation of the line having the given slope and containing the given point. m= 2/3, (8,-6)
Click here to see answer by ewatrrr(10682)

Question 437399: Find the slope-intercept equation of the line that has the given characteristics. Slope is 0 and y-intercept (0,3)
Click here to see answer by ewatrrr(10682)

Question 437425: Cheap Truck rentals charges $15/day plus 0.12 cents per mile. Trucks 4 Less charges $20/day plus 0.10 cents per mile. How many miles would you need to drive in order for the cost of both rental companies be the same and what would that cost be?
Click here to see answer by josmiceli(9664)

Question 437350: solve by subsitution method can you assit me please
0.05x-0.01y= -0.1
0.28x+0.13y=10.6
Click here to see answer by Alan3354(30993)

Question 437493: Wx+4y=-12, what is the value of W

Click here to see answer by tinbar(128)

Question 436937: Can't figure this out. Can someone please help me figure out how to do this.
1. Imagine you are at a gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation
a. What does the number 3.03 represent?
b. Find C(2).
c. Find C(9).
d. For the average motorist, name one value for g that would be inappropriate for this function’s purpose. Explain why you chose that number.
e. If you were to graph C(g), what would be an appropriate domain and range? Explain your reasoning.

Click here to see answer by richard1234(5390)

Question 437461: Find an equation of the line having the given slope and containing the given point. m= 8 (7,4)
Click here to see answer by rfer(12654)

Question 437460: Find the slope-intercept equation of the line that has the given characteristics. m= -3 (0,8)
Click here to see answer by richard1234(5390)

Question 437460: Find the slope-intercept equation of the line that has the given characteristics. m= -3 (0,8)
Click here to see answer by rfer(12654)

Question 437469: 1.)what is tha equation of a line passing thru (-2,4) ; m=3/4
2.)what is tha equation of a line of x-intercept (3,0) ; passing thru (5,-3)
3.)what is tha equation of a line passing thru (3,2) , // to the line 2x-9y=15
4.)what is tha equation of a line perpendicular to the line 5x+9y=14, passing thru (-2,7)
Click here to see answer by solver91311(16872)

Question 437532: identify the slope and y- intercept of the line with the given equation. Use the slope and y-intercept to graph the equation. show work y = -2x + 3
Click here to see answer by rfer(12654)

Question 437598: Systems of equations can be solved by graphing or by substituting or elimination. what are the pros and cons of each method? What I got is-pros of graphing are: that are able to visually see the answer. Cons for graphing: harder to graph fractions.

what circumstances would cause you to use a different method?

Click here to see answer by scott8148(6628)

Question 437590: The ratio of the circumferences of a circle to its diameter is 22/7. What is the slope of the line on a graph that shows the relationship between circumferences and diameter?
Click here to see answer by robertb(4012)

Question 437699: solve for subsitution
15x-10y=1
15y=2+5x
8x+5y+14
x=52-9y
solve equation by graphong
x+y=4
y-x=4
solve by elimination
8x-y=47
x+y=16
Click here to see answer by mananth(12270)

Question 437721: Hi, i need help please!
1. x+y=10
2x-y=5
2. 3x-2y=5
4x-5y=-5
3. 3x-9y=1
6x-8y=2
4. 4x-y=8
2x+y=6
5. 12x+4y=8
3x+y=6
Which of these equations is independent, dependent or
consistent? please help explain. Thanks

Click here to see answer by stanbon(57282)

Question 437744: how do i find the slope to f(x)=-4x-5
Click here to see answer by nerdybill(6951)

Question 437845: What graph from the given below represents the line: x - y = 4 ?
Click here to see answer by stanbon(57282)

Question 437845: What graph from the given below represents the line: x - y = 4 ?
Click here to see answer by solver91311(16872)

Question 437878: can you please help me with this problem if line j is perpendicular to line k.If the slope of line j is 5/2,what is the slope of line k
Click here to see answer by ewatrrr(10682)

Question 437957: x-intercept=4, m=2
Click here to see answer by ewatrrr(10682)

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