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

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Question 827873: Write the equation of the line that is perpendicular to the graph 6x+3y=8 and passes through the point (3,-4)
Click here to see answer by oscargut(2103)

Question 827927: Solve the following systems using Elimination
-4x-15y=-17
-x+5y= -13
Click here to see answer by MathLover1(20849)

Question 827933: how do you solve y=-3
y=x-3
Click here to see answer by MathLover1(20849)

Question 828073: how to solve y=8-x on a linear graph please
Click here to see answer by stanbon(75887)

Question 828072: how to solve y=8-x please
Click here to see answer by stanbon(75887)

Question 828026: What it the slope of a line with x=2/7?
Click here to see answer by richwmiller(17219)

Question 828288: Kindly help me solve these questions?
1.Venkat is twice as old as his cousin Raju is now. If Venkat is also three years older than Raju find their ages?
2. The sum of the ages of Peter and his brother is 15 and the difference between their ages is 3. Find their ages?
Click here to see answer by TimothyLamb(4379)

Question 828247: Hello
which of these points lie on the line y = 10x?
a (1,10) b (2,25) c (-3,-30) d (-4,40)
Peter R
Click here to see answer by rfer(16322)

Question 828369: what is the slope of a line perpendicular to y=1/4x+12
Click here to see answer by TimothyLamb(4379)

Question 828369: what is the slope of a line perpendicular to y=1/4x+12
Click here to see answer by stanbon(75887)

Question 828396: I need to find the slope line for y = 7x+2.
Click here to see answer by Edwin McCravy(20055)

Question 828450: how do i do through:(1,-2),perp.to y = - 1/2 x -5
Click here to see answer by jim_thompson5910(35256)

Question 828491: What is the slope of a line perpendicular to the line with equation y = 5x � 2?
Please help, I have tried over and over, but still can't figure out the correct answer.
Click here to see answer by mananth(16946)

Question 828520: My question is on Co-ordinate Geometry:The Line
k is the line x+3y=6
(i)Find three points on k
(ii)Draw the line
(iii)Find the slope of k
(iv)Investigate if (-54,20)

Click here to see answer by rothauserc(4718)

Question 828632: what is the slope of the line that passes through (3 9) and (-6 -4)
Click here to see answer by TimothyLamb(4379)

Question 828646: find the slope and y-intercept of the line that passes through (3,5) and (5,8)
Click here to see answer by TimothyLamb(4379)

Question 828715: find the slope-intercept equation of the line with the following properties perpendicular to the line x-7y=5; containing the point (3,3).
Click here to see answer by TimothyLamb(4379)

Question 828717: A shop buys tablets from the manufacturer for $88 each and sells them to the public for $170 each. The shop has fixed costs of $48,000.
a. create an equation that expresses the business profit as a function of the # of tablets sold.
b. use this equation to determine how many tablets must be sold in order for the shop to break even.
Click here to see answer by josmiceli(19441)

Question 828751: find the equation pf a line that is perpendicular to the line y=1/8x+9 and contains the point (-4,0)
y=
Click here to see answer by erica65404(394)

Question 828756: find the center (h,k) and radius r of the circle with the given equation
(x-6)^2+y^2=81
Click here to see answer by jim_thompson5910(35256)

Question 828738: find the intercept and use them to graph the equation.
6x+4y=24
Click here to see answer by rfer(16322)

Question 828829: Find the equation of a line that is parallel to 2x + 6y = 5 and that goes through the point (2,1).

Click here to see answer by TimothyLamb(4379)

Question 828987:
Click here to see answer by Fombitz(32388)

Question 829008: Give me Point slope form (The help is much appreciated I seem to be struggling with this chapter)
1. m=-2 & (1, -1)
my answer that was wrong was y-1=-2(x-1)
2. m=6 & (22,15)
my answer that was wrong was y-15=6(x-22)
Click here to see answer by Alan3354(69443)

Question 829070: is (2,-5) a solution to the equation y=2x-1
Click here to see answer by stanbon(75887)

Question 829070: is (2,-5) a solution to the equation y=2x-1
Click here to see answer by Fombitz(32388)

Question 829178: write the equation of the circle in standard form. find the center, radius, intercepts, and graph the circle.
x^2+y^2-4x+18y=-69
Click here to see answer by stanbon(75887)

Question 829258: 11x-2y=-8 write the slope-inttercept form of the equation of each line. Need help to solve
Click here to see answer by rfer(16322)

Question 829292: 6x-3=8x-9, then x=
Click here to see answer by TimothyLamb(4379)

Question 829293: Use this system of equations
-4x+2y=8
3x+10y=6
If the second equation is rewritten as 3x+5(m)=6, which expression is equivalent to m?
A)-3x+6
B)2x+4
C)4x+8
Click here to see answer by RagingGod(3)

Question 829256: through:(0,1) and (-4,-3) write the slope-intercept from of the equatio of the line through the given points. Need steps to solve
Click here to see answer by josgarithmetic(39617)

Question 829252: y+4=-7/5(x-5) Need steps to solve

Click here to see answer by TimothyLamb(4379)

Question 829442: Determine if the given cordinate is a solution.
Y=-2x+6
(-3,12)
Click here to see answer by oscargut(2103)

Question 829390: 9=3y
Click here to see answer by oscargut(2103)

Question 829417: )Find the equation of the line (in y = mx + c form) that:
a)is perpendicular to the line with equation y = 3x + 1, passing through (−3, 6)
b)is parallel to the line with equation y = 2/5x-9, passing through (4, −7)
c)is parallel to the line with equation 3x + 6y = 8, passing through (2, 2)
d)is perpendicular to the line with equation −6x + 7y − 2 = 0, passing through (4, 0)
e)has gradient 2, passing through the intersection of the lines with equations y = 3x − 5 and y = −2x + 5
f)has gradient -3/4, passing through the intersection of the lines with equations x + 4y = −14 and −5x + 2y = 4.
Click here to see answer by oscargut(2103)

Question 829393: x+3=15
Click here to see answer by oscargut(2103)

Question 829485: Solve the following system of equations by linear combination:
3x + 2y = 7
y = x � 4

Click here to see answer by oscargut(2103)

Question 829502: Determine the slope of the lines [(2,0)(0,-1)] and [(2,0)(0,4)].
Click here to see answer by oscargut(2103)

Question 828748: find an equation for the line with the given properties
parallel to the line 2x-y=-2; containing the point (0,0)
y=
Click here to see answer by Fombitz(32388)

Question 829543: How do you write the slope intercept form of a line that passes through (1,5) and is parallel to y = -2
Click here to see answer by oscargut(2103)

Question 829669: find the equation of a line parallel to 5x+10y=3 through (0,1)
Click here to see answer by TimothyLamb(4379)

Question 829775: The line through (-3,0) and (0,9)
The line through (4,0) and (o, -6)

"Find The Equation of each line in slope-intercept form"
^Question
Click here to see answer by MathLover1(20849)

Question 829747: Write the equation of a line that passes through the point (1,-3) and is parallel to the line 7x + y = -5.
Click here to see answer by josgarithmetic(39617)

Question 829850: graph the line through the given point of slope: (0,4) m=-3
Click here to see answer by Fombitz(32388)

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