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

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Algebra: Linear Equations, Graphs, Slope

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Question 4152: 3x-4=2x
Click here to see answer by lpilon(9)

Question 4172: 15x+12=12x-6
Click here to see answer by lpilon(9)

Question 4171: 5x-9=15-x
Click here to see answer by lpilon(9)

Question 4170: 5x=x+32
Click here to see answer by lpilon(9)

Question 4169: 7x-5=3x+3

Click here to see answer by lpilon(9)

Question 4167: 15x+12=12x-6
Click here to see answer by lpilon(9)

Question 4167: 15x+12=12x-6
Click here to see answer by WannabeCAgirl83(35)

Question 4189: HOW IS THIS DONE?
WHAT IS THE SLOPE OF A LINE THAT IS PERPENDICULAR TO THE LINE PASSING THROUGH THE POINTS (8,3) AND (10,6)?
Click here to see answer by longjonsilver(2297)

Question 4149: solve for x.
2c - x = 4x + c - 5b
Click here to see answer by rapaljer(3625)

Question 4215: Set up and solve a system of linear equations for the the following:
find a, b and c for the quadratic function: f(x)=ax^2+bx+c
Given that
f(x)=1, f(-3)=17, f(2)=-1/2
I have completed the quadratic function portion but I'm really lost finding a, b and c...Pleese help.
Click here to see answer by longjonsilver(2297)

Question 4239: Describe to me the five steps that are used in solving linear systems by substitution?
Click here to see answer by rapaljer(3625)

Question 4227: what does m+c mean in a linear graph when y=mx+c
Click here to see answer by ntnk(49)

Question 3827: graph y=2x+6 and tell if its a function or not
Click here to see answer by ntnk(49)

Question 3799: What's the coefficient of x in the equation below 2x-6+4=0
Click here to see answer by ntnk(49)

Question 3824: graph y=2x+6 and tell if its a function or not
Click here to see answer by ntnk(49)

Question 4309: I do not get how to do this problem when it comes to fractions.
X = 2X/5 + 1
I know you have to combine like terms so you somehow move 2x/5 to the other side of the equal sign, correct?
Click here to see answer by rapaljer(3625)

Question 4316: write the slope-intercept form of the line that passes through (0,-2) and is parallel to the line 5x+4y=3.
Click here to see answer by rapaljer(3625)

Question 4206: Subtract: (4x3 - 9x + 15) - (-2x3 + 4x2 + 7x).
Give answer with only positive exponents.
Assume x and y are not equal to 0.
Click here to see answer by rapaljer(3625)

Question 4321: What is the x-intercept of 8x/3+5-2y=0 ?
Click here to see answer by rapaljer(3625)

Question 4315: find the slope of the line that contains the points (4,2) and 1,7)
Click here to see answer by rapaljer(3625)

Question 4339: What is the difference in a linear equation and a linear function? What 'real world' businesses use linear equations/functions?
Click here to see answer by rapaljer(3625)

Question 4394: 0.5=-2.5+y
Click here to see answer by arunpaul(104)

Question 4334: Can you show me how to graph this problem.
y=2x-3
Click here to see answer by ntnk(49)

Question 4432: how do i solve x/4 -1 =x/5
Click here to see answer by rapaljer(3625)

Question 4457: Find the equation of the line which is perpendicular to the line and passing through the point (4, -2). Sketch the line and the perpendicular line in the same set of axes.

Click here to see answer by Earlsdon(4900)

Question 3633: Solve for x
x=(.31429x)+24000
Click here to see answer by arunpaul(104)

Question 4522: Please help solve for 'x' 4x^2=5x-7<12x^2+16x-10
Click here to see answer by Pumuky(2)

Question 4530: Solve for X
4x^2+5x-7<12x^2+16x-10
Click here to see answer by pushpaharan(47)

Question 4459: How do I solve?
x+2/4 = x+1/2
Thank you!
Click here to see answer by pushpaharan(47)

Question 4442: this is grade 10 applied math and I am finding very hard to answer out these questions:
1)4y-15=-10
2)3-4d=13
3)8=9x-7
Click here to see answer by pushpaharan(47)

Question 4442: this is grade 10 applied math and I am finding very hard to answer out these questions:
1)4y-15=-10
2)3-4d=13
3)8=9x-7
Click here to see answer by rapaljer(3625)

Question 4543: Derive a set of inequalities that describes the region. The picture is of a parallelogram with points (1,1), (7,2), (3,6), and (9,7). Thanks, Julie
Click here to see answer by longjonsilver(2297)

Question 4535: How do you solve for linear equations with this problem: 4x+3y=5
-3x-6y=0
Click here to see answer by glitzgirl_14(11)

Question 4615: Graph:
y= -2x + 3

Click here to see answer by longjonsilver(2297)

Question 4614: please explain how the ff linear equation y=2+2x and we substitute different values of x,we will find the ff values of y:fory=2+2xwhen x=-3,y=-4
x=-2,y=-2
x=-1,y=2
x=1,y=4
x=2,y=6
x=3,y=8
please explain how i would plot x and y values a gragh,i am so confused.
thank you
Kind regards
leanne
Click here to see answer by longjonsilver(2297)

Question 4616: Graph:
y = 3/2x
Click here to see answer by longjonsilver(2297)

Question 4697: SHOW THAT EACH NUMBER CAN BE WRITTEN AS THE RATIO OF TWO INTEGERS.
-3.1

Click here to see answer by Pieter(35)

Question 4702: what is the equation of the line passin through the point (4,2)with slope, m=0?
Click here to see answer by longjonsilver(2297)

Question 4687: Find a linear function that passes throught the point (-3, 8) and is perpendicular to 2x - 5y = 8.
Click here to see answer by longjonsilver(2297)

Question 4715: Find two complex numbers that have a sum or -6 and a product of 90
Click here to see answer by khwang(438)

Question 4696: SHOW THAT EACH NUMBER CAN BE WRITTEN AS THE RATIO OF TWO INTEGERS.
-3.1

Click here to see answer by rapaljer(3625)

Question 4736: Find the inverse of the given function. f(x) = squareroot of (x-10).
Is there a solver for inverse functions?
Thanks
Click here to see answer by rapaljer(3625)

Question 4760: How do I solve this?
Creating an inconsistent system of linear equations
Find the value of "d" such that the system of equations
dx-15y=-10
4x+6y=-13
does not have a solution.
Click here to see answer by rapaljer(3625)

Question 4776: 1.) when solving a linear inequality, why do you always solve for y?
2.) when graphing a linear inequality, how do you know if the inequality represents the area above or below the line?
3.) why is it true that any two points satisfying a linear equation will give you the same graph for the line represented by the equation?
Click here to see answer by longjonsilver(2297)

Question 4780: When graphing a linear inequality, how do you know if the inequality represents the area above the line?
Click here to see answer by rapaljer(3625)

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