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

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Question 645134: A gear on a machine turns at a rate of 2 revolutions per second. Let x= time in seconds and y=number of revolutions. what is the equation that models the number of revolutions over time? Graph this equation.
Click here to see answer by stanbon(57226)

Question 645472: what is the slope-intercept form of
Slope = 1, y-intercept = 1
Click here to see answer by jim_thompson5910(28476)

Question 645859: Express the given quantity in terms of the indicated variable.
The sum of seven consecutive integers; n = first integer of the seven
Click here to see answer by solver91311(16868)

Question 645866: what is the value of x in this linear equation
7+2(3-8x)=4-6(1+5x)
Click here to see answer by solver91311(16868)

Question 645934: sketch a graph of y=f(x)
f(x)=-4x+2

Click here to see answer by jim_thompson5910(28476)

Question 645955: 5x + 2y -6 = 0
using above equation, write in slope/intercept form.
find the slope of the corresponding line.
find the y-intercept of the corresponding line.
Click here to see answer by solver91311(16868)

Question 646057: Please help me understand how you would reduce these fractions to get an answer of 7/12x=3/14

Click here to see answer by Alan3354(30970)

Question 646114: what equation is parallel to y=7/3x-2
Click here to see answer by sachi(392)

Question 646152: how to find the x and y intercept of the equation
4x-8y = 10
Click here to see answer by MathLover1(6618)

Question 646400: Please help me with this problem on one-step equations. Eight workers a hired to weed a field by hand.Each is given a plot which is 5x7 feet in size. What is the total area of the field? I tried mulitplying 5 by 7 and getting 35 and then trying to divide that by 8 like this:x*8= 35 But i don't know for sure if that is right. Thank you
Click here to see answer by solver91311(16868)

Question 646412: How do you find the function of a sloped line?
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Question 645950: how do i find the equation of the line that passes through points (3,1), (0,3), (-2,k) and how do i find its value of k?
Click here to see answer by ankor@dixie-net.com(15628)

Question 646617: I need to graph the system of constraints and find the value of x and y that maximize the objective function: C=7x-37
x and y >= 0
y<=(1/5)x + 2
5<=y+x

I am not sure what parts of the graph overlap. I only come up with the intersection point (2.5, 2.5) but no other coordinates. Thanks
Click here to see answer by solver91311(16868)

Question 646777: If the line passing through the points (1, a) and (4, -2) is parallel to the line passing through the points (2, 8) and (-7, a + 4), what is the value of a?

Thanks for your help.
Click here to see answer by ewatrrr(10682)

Question 646969: Solve by substitution or elimination
2x-3y=8
-4x+5y=-10
i got the answer (-1,-6) but I'm not sure if it's correct it would be much appreciated if you did the elimination method, thank you.
Click here to see answer by MathLover1(6618)

Question 647332: 1/3(m-6) + 1/2(m+5)=5/3
Click here to see answer by ewatrrr(10682)

Question 647316: What Use the intercept form to find the equation of the line with the given intercepts. X-intercept (-1/6,0) y-intercept (0,-2/3)
Click here to see answer by Alan3354(30970)

Question 647438: The equation of the vertical line passing through the point ( -5 , 1 ) is
Click here to see answer by ewatrrr(10682)

Question 647481: what is the y-intercept of -10x-1/2y=5?
Click here to see answer by jim_thompson5910(28476)

Question 647497: what is the y-intercept of 2x+3y = 12
Click here to see answer by jim_thompson5910(28476)

Question 647507: x f(x)

–7 8
–3 3
0 –1
2 7
10 5

Click here to see answer by aaronwiz(69)

Question 647509: Find a linear equation that can model the data shown in the graph.

(It should be in standard form, thanks!)
Click here to see answer by aaronwiz(69)

Question 647530: Find the equation of the line containing the point (3,5) and parallel to the line x+3y=9
Click here to see answer by swincher4391(726)

Question 646029: Solve system of linear equations
x-2y+3z=-11
2x-z=8
3y+z=10
Click here to see answer by pran5(1)

Question 647713: hello my name is Frank
7-(2x-1)=10
is the next step
-14x-7=10
then add 7 to both sides
-14x=17

Click here to see answer by Algebraic(50)

Question 647725: Find the slope, x-intercept, and y-intercept of line.
y=-4x-+1
Click here to see answer by Alan3354(30970)

Question 647734: Graph by hand, the line passing through the point P=(2,1) and having the slope m=4.
Click here to see answer by MathLover1(6618)

Question 647742: Find the equation of the line with no x-intercept and y-intercept of 4.
Click here to see answer by MathLover1(6618)

Question 647746: The points (4,2) and (-5,2) determine a unique line. Find the slope of this line.
Click here to see answer by Algebraic(50)

Question 647770: could you please help me find the slope of a line that is perpendicular to the line 5x-7y=28
thank you
Click here to see answer by jim_thompson5910(28476)

Question 647768: Could you please help me find the slope of a line that is parallel to the line
y=4/9x-12
thank you

Click here to see answer by jim_thompson5910(28476)

Question 647766: Could you please help me find the slope and Y intercept of the line
3x-4y=-24
Thank you for your time and help
Click here to see answer by unlockmath(1599)

Question 647744: The points (-1,1) and (2,3) determine a unique line. Find the slope of this line.
Click here to see answer by jim_thompson5910(28476)

Question 647772: write an equation of a line containing the given point (8,-6) parallel to 2x-3y=7
Click here to see answer by Algebraic(50)

Question 647772: write an equation of a line containing the given point (8,-6) parallel to 2x-3y=7
Click here to see answer by MathTherapy(1421)

Question 647736: Find the equation of the line with slope 1/2 passing through the point (3,1).
Click here to see answer by MathLover1(6618)

Question 647743: Find the equation of the line with slope undefined and passes through the point (1,4).
Click here to see answer by MathLover1(6618)

Question 647812: Solve each equation
5-10|8n+5|=-45
Click here to see answer by stanbon(57226)

Question 647764: Could you please help me find the slope and Y intercept of the line
y=-4/9 x=-4
Thank you for your time and help!
Click here to see answer by Aaniya(63)

Question 647753: how do i find the slope and y-intercept of this equation 3(x-2)+y=7-6(y+4)
Click here to see answer by Aaniya(63)

Question 647810: Solve each compound inequality and graph its solution.
8b+9<7b+3<8b-10
Click here to see answer by lwsshak3(6465)

Question 647733: hello my name is Miriam i would like to know if you can help me to understand the systems of linear equations by graphing for example y=x+1 and y=-x+3

Click here to see answer by solver91311(16868)

Question 647903: Find an equation of the line that satisfies the given conditions.
Through (5, 6); slope :2/3

Click here to see answer by Algebraic(50)

Question 647914: Find an equation of the line that satisfies the given conditions.
Through
(−4, −5);
slope :-7/2

Click here to see answer by solver91311(16868)

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