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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 135873: If a line is horizontal, what type of slope does it have?
Click here to see answer by Edwin McCravy(20055)

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(24713)

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(75887)

Question 135975: 19.) solve each system problem by graphing y= -3x
y= 3x-6
Click here to see answer by Fombitz(32388)

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(12844)

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(24713)

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(75887)

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

Please help!!!!!!!!!!!!!!!!!!!!!!
Click here to see answer by MathLover1(20849)

Question 136149: Is a person's age a function of his or her height? Explain. THANKS!
Click here to see answer by MathLover1(20849)

Question 136149: Is a person's age a function of his or her height? Explain. THANKS!
Click here to see answer by solver91311(24713)

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(12844)

Question 136126: Graph each linear function using the slope and y intercept
y=2x+3
Click here to see answer by checkley77(12844)

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(2983)

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(12844)

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(75887)

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(75887)

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(24713)

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(24713)

Question 136086: sove problems by graphing Y=3/4x-2 and 2Y-5X=10
Click here to see answer by solver91311(24713)

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(24713)

Question 136255: Graph the following Equations :

2x-3y=12
Click here to see answer by MathLover1(20849)

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(12844)

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(24713)

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(24713)

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(75887)

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(12844)

Question 136624: y=2/3x+6
Click here to see answer by solver91311(24713)

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(12844)

Question 136568: x+6y=7

Click here to see answer by checkley77(12844)

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(75887)

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(12844)

Question 136902: BOBS POPCORN DELIGHT SHOP HAS TWO TYPES OF POPCORN. BUTTER POPCORN SELLS FOR 3.99 FOR A 12OZ BAG AND NON BUTTER POPCORN SELLS FOR 2.99 A 12 0Z BAG. HOW MANY BAGS OF EACH DOES BOB NEED TO MIX TO GET 50 12 OZ BAG TO PRODUCE A MIXTURE OF BOTH POPCORNS THAT SELLS FOR 3.49? ROUND EACH BAG TO THE NEAREST WHOLE NUMBER

Click here to see answer by checkley77(12844)

Question 136888: i'm having a hard time understanding how to identify the slope and y-intercept of y = -4/3x + 3 and graphing the line.
Click here to see answer by checkley77(12844)

Question 137053: solve the following system of linear inequalities by graphing x
3x-y<2, x+y>2
Click here to see answer by stanbon(75887)

Question 136989: solve the equation.
1/x+1 + 1/x-1 =2/x^2-1
Click here to see answer by stanbon(75887)

Question 137101: solve the equation and complete the table. this was a test problem, I didn't
understand how to complete this table or any other table as far as that goes....please help....
note: please tell me how to complete these tables, is their a formula to make this easier to do. HERE'S THE EQUATION; y=-6x-4 x and y table
Click here to see answer by MORUPHOSUOLALE(24)

Question 137102: Hi Tutor, please me help on the below 2 word problems
1. The sum of the digits of a two-digit number is 10. If the digits are reversed, the number is increased by 36. What is the original number?
2. The sum of the digits of a two-digit number ois 12. If the digits are reversed, the new number is 18 more than the original number. Find the original number.
Thank you..
Click here to see answer by ankor@dixie-net.com(22740)

Question 137177: Could you please use this as an example to solve each system by substitution method and tell if the equations are independent, dependent or inconsistent?
Thank you.
2x-y=4
2x-y=3
Click here to see answer by stanbon(75887)

Question 137247: Why is it true that at the x-intercept, the value of y is 0, and at the y-intercept, the value of x is 0? Please give 1 or 2 examples please?
I would like to say thank you for taking time out of your schedule to assist me. I do appreciate it.
Thank you.
Click here to see answer by Earlsdon(6294)

Question 137295: Could you please explain to me "How do you interpret the slope and y-intercept in a real world example" and include details please.
I will truly be appreciated.
Thank you.
Click here to see answer by stanbon(75887)

Question 137402: Please help!
When looking at two linear equations how can you tell lines are corresponding without putting in slope-intercept form?
If possible could you include example?
Thank you very much for giving your time.
Click here to see answer by vleith(2983)

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