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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 469129: Last question please! M=R1L-F(L-x) Solve for L
Click here to see answer by Tatiana_Stebko(1326)

Question 469117: What is the formula for the length of the angle if the vrtical dem.is 10 ft. and the horiz. length is 14.5 ft
Click here to see answer by stanbon(57967)

Question 469116: What is the formula for the length of the angle if the vrtical dem.is 10 ft. and the horiz. length is 14.5 ft
Click here to see answer by stanbon(57967)

Question 469195: Are all linear equations functions? Is there an instance when a linear equations is not a function? Please explain.
Click here to see answer by Edwin McCravy(8999)

Question 469245: the cube of a certain whole number is 48 more than the square of the same number.what is the number?
Click here to see answer by ankor@dixie-net.com(15746)

Question 469266: Just learning.
In linear equations, why is the line x=4 a vertical line?
Click here to see answer by solver91311(17077)

Question 469381: Find the slope and y-intercept of the following linear equations.
y = -4x + 5

Click here to see answer by algebrahouse.com(1079)

Question 469279: Write the equation of the line that satisfies the given conditions.
Passes through (1,4); parallel to the x-axis
Click here to see answer by robertb(4012)

Question 469380: please help me solve this equation?
Graph y=2.

Click here to see answer by algebrahouse.com(1079)

Question 469380: please help me solve this equation?
Graph y=2.

Click here to see answer by stanbon(57967)

Question 469406: Write the equation of the line which passes through (5, –2) and is parallel to x = 4.
Click here to see answer by algebrahouse.com(1079)

Question 469406: Write the equation of the line which passes through (5, –2) and is parallel to x = 4.
Click here to see answer by Lexy2ola(5)

Question 469407: i need help how to do this problems just for fun 1 through 4
graph each order pair in problem 1-4 and name the quadrant or axis on which it lies.?
1,(2,4)
2,(-3,4)
3,(-2,-1)
4.(0,6)

Click here to see answer by mananth(12270)

Question 469416: Find the slope of the hill pictured below.
|
|12 ft
|
[-------------------]
100 ft.
Click here to see answer by jorel1380(2518)

Question 469575: 14x=-10-11y
-11x=-11+11y
Click here to see answer by jorel1380(2518)

Question 469635: Find the slope and the y-intercept of the line with equation y - 2x + 3 = 0
Click here to see answer by Tatiana_Stebko(1326)

Question 469652: My question says: Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form.
m=-4;(-7,6) Can you show me the steps to slove this? Thanks
Click here to see answer by Tatiana_Stebko(1326)

Question 469760: Find the equation of the line in standard form through the points (-3, -1) and (-5,7).
Click here to see answer by mananth(12270)

Question 469528: Determine whether each equation has the given ordered pair as a solution.
3q − 2p = −8; (1, −2)
Click here to see answer by bucky(2189)

Question 469864: Find three solutions for this equation.
y= 1/2x + 5
Click here to see answer by sofiyac(695)

Question 469862: 2x+y=1
x+y=3
Click here to see answer by sofiyac(695)

Question 469866: y = −4x + 3
16x + 4y = 12
(x,y)=
Click here to see answer by sofiyac(695)

Question 469820: use graphs the find equation of the horizontal or vertical line
1. line passes (1,3) and parallel to the line L: y = 4

2 line passes (1,3) and perpendicular to the line L: y = 4

Click here to see answer by sofiyac(695)

Question 469698: The question is: Solve each system by elimination.
x-y=11
2x+y=19
How do I do this? In dummy language please. I want to actually understand what it is I'm suppose to be doing. Thanks much!
Click here to see answer by ankor@dixie-net.com(15746)

Question 469977: If a highway rises 415 feet over a horizontal distance of 3400 feet what is the slope of the road?

Click here to see answer by ewatrrr(10682)

Question 470005: How do I solve the linear equation for x: 6-8(x+1)+3x-7=2(x+6)
Click here to see answer by sofiyac(695)

Question 470016: what is the equation of the line in standard form that is parallel to 4x+y= 3 and contains (4,7)
Click here to see answer by sofiyac(695)

Question 469979: find the slope, if it exists, of the line containing the points(-9,1/2)(-4,1/2)
Click here to see answer by sofiyac(695)

Question 470204: x + 12 < 4
Click here to see answer by jim_thompson5910(28715)

Question 470174: -5x -21 = -22 2/3
what is x
linear equation
Click here to see answer by Tatiana_Stebko(1326)

Question 470192: Find the area of a rectangle with the vertices at (0,9) (0,-4) (5,-4) and (5,9)
Click here to see answer by Alan3354(31532)

Question 470477: solve by graphing -2x+2y=8
2x+y=1
Click here to see answer by stanbon(57967)

Question 470476: Solve by substitution x=2y
y=2x+3 Check answer
Click here to see answer by MathLover1(6812)

Question 470453: A balloon takes off from a location that is 107 ft above sea level. It rises 48 ft/min. Write an equation to model the balloon’s elevation h as a function of time t.
Click here to see answer by Alan3354(31532)

Question 470577: solve the area of the triangle with base and height the base = 2 meters and the height = 12 meters
A = 1/2bh
PLEASE SHOW ALL OF YOUR WORK
Click here to see answer by Tatiana_Stebko(1326)

Question 470596: Please help me solve this equation find the slope if it exists of the line {{y = 219/298 x -6.7}} Thank you.
Click here to see answer by Tatiana_Stebko(1326)

Question 470581: determin the equation of the line perpendicular to the line 3y+4x=1 passing through the point (-1,2)
Click here to see answer by mananth(12270)

Question 470614: find the distance of the point (2,5) from the line 3x+y+4=0 measured parallel to a line having slope 3/4?
Click here to see answer by Alan3354(31532)

Question 470651: 6x + 4= -(x - 18)
Click here to see answer by sofiyac(695)

Question 469738: determine the slope of the line passing through each pair of points.
1. (1,4) (2,7)
2. (-2,4) (5,-10)
3. (-3,6) (-3,8)
4 (-4,6) (-6,-1)
Click here to see answer by sofiyac(695)

Question 470902: what is the slope of the line that contains the points (5,-9) and (5,9)?
Click here to see answer by MathLover1(6812)

Question 470913: solve: for w p=29l=29w
Click here to see answer by Alan3354(31532)

Question 471015: I need help finding the slope of x+3y=6 m=
Find the solution set for -2x>1/9
5x-15=3y use intercepts to graph the equation
graph the equation and identify the y intercept for y=1/4x
Click here to see answer by jim_thompson5910(28715)

Question 471026: A student having marks of 65 and 75 wishes to raise the average of the two marks and a test mark to 80. What must he receive on the test?
Click here to see answer by algebrahouse.com(1079)

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