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

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Question 135496: Instructions are to eliminate the denominator.
{y=3/10x}
I multiplied both sides by 10 and got: 10y=3x
I chose 3 points for x, 10, 0, -10.
I came up with order pairs (10,3)(0,0)(-10,-3)
Not sure if this is right, nor if I worked the problem correctly using the correct formula.
Click here to see answer by cbcrawford978(7)

Question 135485: 2x+y=1
x-y=11
Click here to see answer by checkley77(12569)

Question 135533: When I move the varible x to the other side and I divide the 12 and -x by negative 6, I am confused. x-6y=12. I get -6y=12-x. I know that to isolate y I need to divide the -6 by all terms. But I don't understand the -x over -6
Click here to see answer by vleith(2825)

Question 135637: Checking my practice questions. Thanks!
(3,1), (1,3) and (1,1) (1,5)

Click here to see answer by solver91311(17077)

Question 135598: find equation of the line through points (-5,3) snf (6,1) test question
Click here to see answer by checkley77(12569)

Question 135587: graph y=-2x^2 - 4x +2
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Question 135690: Lim 20x-1 divided by 4x+2 where x approaches infinity
Click here to see answer by stanbon(57969)

Question 135703: what is the x-intercept of y=4
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Question 135826: Hi My name is Kaleea
I have to write a Linear Equation Given Two Points
step 1: find the slope
step 2: use the two point snd slope in Point-Slope
step 3: Solve for Y=mx + b
Number 1) (1,5) (2,7)
I have ten problems like this. Can you please work this problem out for me and I will be able to finish the last 9?
(Show me the work?)
Thank you.
cvanmol@aol.com
Click here to see answer by solver91311(17077)

Question 135783: three times a number increades 5 times another number is 49 but twice the second number exceeds 5 times the first number by 1.what are the numbers?
Click here to see answer by ankor@dixie-net.com(15746)

Question 135873: If a line is horizontal, what type of slope does it have?
Click here to see answer by Edwin McCravy(8999)

Question 135917: Tutor could you help me please my problem is Find the center and the radius of the circle x^2 +2x+y^2-6y-6=0
I am lost on this one I started with g=1 F=-3 (I think..not sure
Click here to see answer by solver91311(17077)

Question 135931: Solve by the Addition Method.Indicate whether it is independent, inconsistent, or dependent.
1/3x - 1/6y = 1/3
1/6x + 1/4y =0
Click here to see answer by stanbon(57969)

Question 135975: 19.) solve each system problem by graphing y= -3x
y= 3x-6
Click here to see answer by Fombitz(13828)

Question 136000: Tutor could you help me please. Determine the slope, if it exists of the graph of the given linear equation.
3x-4y=-11
The second problem is y=3/4
Click here to see answer by checkley77(12569)

Question 136007: TAKE HOME TEST:VERY IMPORTANT

1. (1,7)(10,1) find the slope of line that passes through pair of points
2.y=4/3x-3 find slope and y intercept of line
14x+y=24
3.write equation of line with given slope & y intercept m=1/4, b= -3/4
4.find the x and y intercept of line -3x+9y=18
5.y=2/3x+7 in standard form using integers
6.write an equation in point slope form for line through given point with given slope (4,-6);m=3/5
7.4x-12y=2;(10,-1) is lthe line perpindicular
y=3/4x-3 y+2= -(x-4)
8. write the parallel, perpindicular, or neither put in slope form 1st
mx-4y=4 x-4y=3
Click here to see answer by solver91311(17077)

Question 136034: Decide if the following are parallel or perpendicular equations?
1. Y= 4X + 3
2. Y= -4X + 3
Click here to see answer by stanbon(57969)

Question 136146: Solve the system by graphing.
x + y = 3
y = x - 5

Please help!!!!!!!!!!!!!!!!!!!!!!
Click here to see answer by MathLover1(6812)

Question 136149: Is a person's age a function of his or her height? Explain. THANKS!
Click here to see answer by MathLover1(6812)

Question 136149: Is a person's age a function of his or her height? Explain. THANKS!
Click here to see answer by solver91311(17077)

Question 136147: The slope of a line through the origin is -2/3. Find the coordinates of the two points on the line. Thanks
Click here to see answer by checkley77(12569)

Question 136126: Graph each linear function using the slope and y intercept
y=2x+3
Click here to see answer by checkley77(12569)

Question 136144: Write a rule for the function.
X f(x)
--------------------------------------------
-2 -3 (-2,-3)
-1 -5 (-1,-5)
0 -7 (0,7)
1 -9 (1,-9)
Please help I have been trying to do this problem since forever!!!!
Click here to see answer by vleith(2825)

Question 136108: Tutor could you help me please?
How do I determine whether the graph of y=x^3-2x is symmetric with respect to the x-axis, the y-axis and/or the origin?
thank you
Click here to see answer by checkley77(12569)

Question 136180: Tutor could you help me with this problem please?
Find a linear functon g given g(-1/4)= -6 and g(2)=3
Thank you
Click here to see answer by stanbon(57969)

Question 136201: Tutor I am having a problem working this problem, could you help me please? The problem is: For each function f, construct and simplify the difference quotient:

f(x)=x/2-x
thank you
Click here to see answer by stanbon(57969)

Question 136249: My son is supposed to use reduction method to solve the system of equations. Can you please help in explaining the process using this problem? This is from a worksheet. Thank you.
{2x - y -7 = 0
{3x + y = 8

Click here to see answer by solver91311(17077)

Question 136248: I am supposed to solve by using inverse matrices. Can you please help me? This is all one problem. On my worksheet all of the information is inside one left parenthesis vs. two as I have it shown here.
Thank you!

{7x - 8y = -21
{x - y = -2
Click here to see answer by solver91311(17077)

Question 136086: sove problems by graphing Y=3/4x-2 and 2Y-5X=10
Click here to see answer by solver91311(17077)

Question 136250: This problem is coming from a worksheet and states to solve the problem by graphing. Can you please help with solving and graphing the problem? Note: There is a line under the greater/less than signs.
Thank you.
{y > x + 2
{2x + 3y < -9

Click here to see answer by solver91311(17077)

Question 136255: Graph the following Equations :

2x-3y=12
Click here to see answer by MathLover1(6812)

Question 136261: solve :
1)Find an equation in slope-intercept form passing through the points (-6.2,18.1) and (-3.4,18.1).
Click here to see answer by checkley77(12569)

Question 136386: I have three questions.
1) Solve for x. Collect xs on the leftside, the solution should be present with an x first, the correct inequality symbol, then the number.
3(4x - 5) <9.
2) Solve for x collect xs on the leftside. The solution should be presented with an x first,the corret inequality symbol,then the number.
-7x + 2 + x - 10 >_ -3 (x - 1)
3) Find the midpoint between these points (1,-6) and (-5,-2)
Show all work.
I would like to thank you inadavance for your help.I am confused about algebra.

Click here to see answer by solver91311(17077)

Question 136391: Tutor Can you help me in determining whether the function is even, odd or neither even or odd?
f(x)=x-|x|
Click here to see answer by solver91311(17077)

Question 136391: Tutor Can you help me in determining whether the function is even, odd or neither even or odd?
f(x)=x-|x|
Click here to see answer by Nate(3500)

Question 136395: Tutor can you walk me throught this problem...please..thank you.
Find the distance between the pair of points. Give an exact answer and where appropriate an approximation to three decimal points.
(-4,-7) and (-1,3)
Click here to see answer by stanbon(57969)

Question 136452: determine the slope of the line through the given points. if the slope is undefined, so state.
(5,3) and (3,5)
My question is how do i do this? I know how to graph points but i dont understand it when they are the same numbers and i dont understand what the slope of the line means, or what undefined means.
thanks,
jennifer lewis
Click here to see answer by jainenderkapoor(61)

Question 136425: I need help on graphing the equation 5x+3y=12. I came up with answer of
y=-5/3x+4.
Click here to see answer by checkley77(12569)

Question 136624: y=2/3x+6
Click here to see answer by solver91311(17077)

Question 136639: write an equation in slop-intercept form for the line passing through each pair of points (9,-1) (6,-2) if you could talk me through this problem that would be great!
Click here to see answer by checkley77(12569)

Question 136568: x+6y=7

Click here to see answer by checkley77(12569)

Question 136729: how do you find where two lines cross with out graphing them; for example: y = 2x + 4 and y = .5x - 2. I tried setting the equations the same and solving, but it did not turn out the same as when i graphed them.
Click here to see answer by stanbon(57969)

Question 136846: I am having a hard time understanding how to find the slope of an equation.
the problem is:
y = -10x + 7
i gave the problem a shot, and i came up with 0.7 as the answer. if anyone can help...thank you in advance!!!
Click here to see answer by checkley77(12569)

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