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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 464971: What is a linear equation?
Click here to see answer by solver91311(24713)

Question 465056: what are slope intercepts and how do i go about determining what the x and the y are?
Click here to see answer by mananth(16946)

Question 465027: solve using the elimimnation method 5x-3y=8 -5x+y=4
Click here to see answer by mananth(16946)

Question 465093: find the slope and y-intercept for y=3-x
I'm not sure if it's m=-1, b=3 or m=1, b=3
Click here to see answer by jorel1380(3719)

Question 465091: y=3-x

Click here to see answer by Alan3354(69443)

Question 465106: i feel dumb but i cant figure out how your getting 8 for the answer for my question x+3/2x=20 can u please work it all the way out
Click here to see answer by algebrahouse.com(1659)

Question 465126: Solve for y so that the line through the points has a given slope.
(-3, 20), (2, y) M= -6

Click here to see answer by algebrahouse.com(1659)

Question 465135: Help me please! Plot the x and y intercepts and sketch the line.
3x + 5y + 15 = 0
Click here to see answer by algebrahouse.com(1659)

Question 465162: How do i work out linear equations?
Click here to see answer by richard1234(7193)

Question 465141: Write the equations of the lines that pass through the point and are (a) parallel and (b) perpendicular to the given line. (-5, -10) 2x + 5y � 12= 0
Click here to see answer by lwsshak3(11628)

Question 464457: please help me solve this problem.... thank you
A parabola has its axis parallel to the y-axis and contains the points (1,-1),(2,3) and (3,15). Find its equation. (HINT: An equation of such a parabola is in the form: y= ax^2 + bx + c ).
Click here to see answer by lwsshak3(11628)

Question 465231: i wanna make a meatloaf thats 5 pounds with a ratio of 3 to 1 of beef to pork. how much pork should i use?
Click here to see answer by Ryan O(12)

Question 465258: Is the given function linear or nonlinear? If it is linear, determine the slope. Please show all of your work.
x
___
2
-3
4
5
-2
y=f(x)
________
7
-3
11
7
4

Click here to see answer by stanbon(75887)

Question 465389: I am really stuck on this problem, PLEASE help me answer this problem. Thanks.
If �(x) = lxl + 5, then the graph of f shifted vertically 5 units down, it can be represented by what equation?

Click here to see answer by stanbon(75887)

Question 465395: find the slope x=-4
Click here to see answer by nerdybill(7384)

Question 465371: What is the equation of a line which contains the points (-3,4) and (6,-2)?
Click here to see answer by rfer(16322)

Question 465473: Find the x and y intercepts 3y = -4/3x
Click here to see answer by MathLover1(20849)

Question 465616: What is the equation, in slope-intercept form, of the line that contains the points (-1, 8) and (4, 3)?

Click here to see answer by ewatrrr(24785)

Question 465664: x-3 over 2 = 1half
Click here to see answer by Alan3354(69443)

Question 465687: In the 2001-2002 NBA regular season, the Sacramento Kings won two less than three times as many games as they lost. The Kings played 82 games. How many wins and losses did the team have?
I try to solve it by writing the equation as
3x -2 = 82
which I gave me the answer x=28 but that is incorrect
3x-2=82
+2 +2
3x=84
3 =3
x= 24
what am I doing wrong?
what am I doing

Click here to see answer by jorel1380(3719)

Question 465727: how do i graph y= -3x+b
Click here to see answer by sofiyac(983)

Question 465672: what is the equation of the line passing through (-7,-9) and perpendicular to 8x-9y+2=0
Click here to see answer by sofiyac(983)

Question 465671: Find the equation of a line which passes through point (-7, 1) and is parallel to the line formed by the equation y = 6x + 8. Express it in slope-intercept form.

Click here to see answer by sofiyac(983)

Question 465737: graph the linear equation
x=-7
Click here to see answer by sofiyac(983)

Question 465747: begin by solving the linear equation for y. This will put the equation in slope intercept form . Then find the slope and the y intercept of the line with this equation.
4x+3y=0
Click here to see answer by sofiyac(983)

Question 465749: find the x intercept and the y intercept of the graph of the equation. Do not graph
7x-2y=0

Click here to see answer by sofiyac(983)

Question 465749: find the x intercept and the y intercept of the graph of the equation. Do not graph
7x-2y=0

Click here to see answer by ewatrrr(24785)

Question 465790: What is the equation of the line that passes through the point (3, 2) and has a slope of 4?
Click here to see answer by kingme18(98)

Question 465790: What is the equation of the line that passes through the point (3, 2) and has a slope of 4?
Click here to see answer by solver91311(24713)

Question 465790: What is the equation of the line that passes through the point (3, 2) and has a slope of 4?
Click here to see answer by richard1234(7193)

Question 465784: Consider the functions and . What is the value of f[g(-1)]?

Click here to see answer by kingme18(98)

Question 465847: Determining the slope and y intercept of the given line x=-1/2y +3
I used y=mx+b
y= -1/2x+3
slope of -1/2 y intercept of (0,3)
He just stated it was wrong did not state where I messed up
Click here to see answer by stanbon(75887)

Question 465977: Write the equation of the line which passes through (5, �2) and is parallel to x = 4. (1 point)
Click here to see answer by sofiyac(983)

Question 465957: What is the equation of a line parallel to the x-axis and passing through (3,-2)
Click here to see answer by sofiyac(983)

Question 465952: Find an equation of the line that satisfies the given condition.
through (5/8, 2/9): vertical
Click here to see answer by sofiyac(983)

Question 465951: write the equation in standard form.Write the equation in slope-intercept form
through (-1,6); slope -5/6
Click here to see answer by sofiyac(983)

Question 465994: To buy both a new car and a new house, Tina sought two loans totalling $260,394. The simple interest rate on the first loan was 3.7%, while the simple interest rate on the second loan was 8.8%. At the end of the first year, Tina paid a combined interest payment of $22,611.73. What were the amounts of the two loans?
Click here to see answer by ewatrrr(24785)

Question 465991: Find the distance between the two points. Round an approximate result to the nearest hundredth.
( -1,-1) and ( 3,-7)
Find the midpoint of the line segment having the given endpoints.

( 8,-4) and ( -7,8)
Determine whether the lines are parallel, perpendicular, or neither.

y + x = -2 and y - x = -2
Without graphing, identify the slope and the y-intercept.

y = 3x + 9
Solve the quadratic equation.

x2 - x = 72

Click here to see answer by ewatrrr(24785)

Question 465995: A dehydrated patient needs a 2.6% saline IV. Unfortunately, the hospital only has bags of 8% and 2% saline solutions. How many liters of each of these solutions should be mixed together to yield 2 liters of the desired concentration?
Click here to see answer by nerdybill(7384)

Question 466097: Please help me answer tis question, thanks(:
FInd the slope-intercept form of the equation of the line that passes through the points (3, -2) and (5, -6).
Click here to see answer by ewatrrr(24785)

Question 466101: Please help me with this problem, thanks(:
Graph: y ≤ 4
Click here to see answer by rfer(16322)

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