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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 42707: Factor completely:
3x2 + 2x � 8

Click here to see answer by stanbon(75887)

Question 42793: What is consistent, inconsistent, and dependent?
Click here to see answer by fractalier(6550)

Question 41408: A roof rises 8.5 ft over a horizontal distance of 16.07 ft. What is the slope of the roof to the nearest hundredth?

Thank You!!
Click here to see answer by fractalier(6550)

Question 42918: Factor the polynomial 27 y + 117, if possible.
Could you tell me if I did this correct?
3(9y - 13)
Click here to see answer by fractalier(6550)

Question 42923: Factor the polynomial. 16 y 2 - 25
Click here to see answer by fractalier(6550)

Question 42964: 8(5x-1)+36=-3(x+5)
Click here to see answer by aaaaaaaa(138)

Question 42924: Complete the factorization. x^2+7x-8=(x+8)

Click here to see answer by Nate(3500)

Question 42925: Use a special product formula to factor the perfect square trinomial.
b2 + 18b + 81

Click here to see answer by Nate(3500)

Question 43006: HELP!
I am stuck on how to figure out solution sets. For example, I have an equation that goes like this.
y= -x + 1
How do I calculate solution sets?
Click here to see answer by checkley71(8403)

Question 43029: Solve the following system. If a unique solution does not exist, state whether the system is inconsistent or dependent.
2x - y = 4
2x - y = 6
Click here to see answer by stanbon(75887)

Question 42965: Write the equation of the line passing through (4,4) and (4,2).
Click here to see answer by Lana06(2)

Question 43079: y = 3x - 4
Click here to see answer by Nate(3500)

Question 43102: How do I make this in to a graph?
3x + 2y =6
Click here to see answer by checkley71(8403)

Question 43103: Determine which two equations represent parallel lines.
(a) y=4x-8 (b) y= -4x +8
(c) y=4x +3 (d) y= -1/4x -8
Click here to see answer by ilana(307)

Question 43116: Combine: (2√7+√2)(3√7-4√2)
Click here to see answer by fractalier(6550)

Question 43101: Please help with this:
Is the following symmetric with respect to the x axis, y axis, origin, or no symmetry?
y= (1)/(x^2 + 1)

to clear up my writing, x^2 is the same as x squared.
thanks

Click here to see answer by ilana(307)

Question 43117: Simplify by rationalizing the denominator: √6-√3
_____
√6+√3
Click here to see answer by fractalier(6550)

Question 43123: Simplify: 16x^2+8x+1/1 - 16x^2

Click here to see answer by fractalier(6550)

Question 43114: Simplify: 16x^2+8+1
___________
1-16x^2
Click here to see answer by fractalier(6550)

Question 43427: Please help with this, it's a word problem , i am having difficulty putting into a proper equation so i can work it.
An outdoor furniture manufacturer has fixed costs of $10,000 per month and average variable costs of $8.50 per unit manufactured. The company has $85,000 available to cover the monthly costs. How many units can the company manufacture?

thank you
Click here to see answer by jmg(22)

Question 43454: please help with this last one.
Solve the quadratic equation by factoring
2x^2 = 19x + 33
thanks
Click here to see answer by Earlsdon(6294)

Question 43459: please help with this one.
Use the quadratic formula to solve the equation:
16x^2 - 40x +5 = 0
thank you in advance
Click here to see answer by aaaaaaaa(138)

Question 43458: please help with this. I dont understand how to use the formula.
Use the quadratic formula to solve the equation:
2x^2 - x - 1= 0

Thank you
Click here to see answer by prabhjyot(165)

Question 43515: Divide:
6x2 - x - 12 � 2x2 � 7x + 6
_____________ _____________
9x2 � 16 3x2 � x � 4

Click here to see answer by Nate(3500)

Question 43537: I don't know how to figure this out.
Graph f(x) = -2x + 4

Any solutions?
Click here to see answer by Nate(3500)

Question 43534: Solve the following system:
2x + y = 8
2x - y = 0

I don't understand how to figure these out in order to place on my graph.
Click here to see answer by Nate(3500)

Question 43535: Can someone help solve these so I can make my graph. I am missing something.
x + 2y < 4
x - y < 5

Click here to see answer by Nate(3500)

Question 43558: FIND THE SLOPE IF THE GRAPHED LINE IS Y= - 4 & X = 2
CHOICES ARE:
A) 1/2 B) -1/2 C) -2 D) 2
I CAN'T FIGURE OUT THE SLOPE.

Click here to see answer by Nate(3500)

Question 43559: I can not graph the following inequalities. Can I get help on this?
x-2y greater or equal to 4
x greater or equal to 4
Click here to see answer by stanbon(75887)

Question 43793: Can you explain and figure it out for me of how to graph an equation in the form of y=mx+b.I need to know how to do this later.
y=2x-3
Click here to see answer by Nate(3500)

Question 43818: Would appreciate some help for:
.......y2 - y1
m = ________; find m when y2=8, y1=-4, x2=-3, and x1=-5
.......x2 - x1
I have never ask for help before---I am returning to college and need math help
Thank you very much and if their are other good on line sources you know please advise
thanks (note i gave you the wrong isbn number--will correct)_
rick laxton
Click here to see answer by tutorcecilia(2152)

Question 43828: Solve. -3 (10x-3) + 10 (3x-3) = x-7

Click here to see answer by tutorcecilia(2152)

Question 43838: solve for x: 3x-2y=6
Click here to see answer by jake_6233(74)

Question 43882: find the equation of a line through (10, -8) with undefined slope. please help! i don't understand this problem at all.
Click here to see answer by stanbon(75887)

Question 43890: using the information given. put each line in slope-intercept form.
slope 2; y-intercept: 5
Click here to see answer by Earlsdon(6294)

Question 43892: determine the slope-intercept from of the equation of the line passing through the points given.
(o,7), (1,9)

Click here to see answer by checkley71(8403)

Question 43817: Would appreciate some help for:
.......y2 - y1
m = ________; find m when y2=8, y1=-4, x2=-3, and x1=-5
.......x2 - x1
I have never ask for help before---I am returning to college and need math help
Thank you very much and if their are other good on line sources you know please advise
thanks
rick laxton
Click here to see answer by checkley71(8403)

Question 43671: I have tried over and over and still can not get this problem right. I am trying to do a linear inequalities by graphing.
x-3y >6
3x+2y >12
Click here to see answer by benni1013(206)

Question 43917: Does the equation ( x-3)^2 + (y +4)2 = -6 have a graph that is a circle?
Click here to see answer by fractalier(6550)

Question 43918: Explain why the graph of |x| + |y| = 1 does not contain any points that have
a. a y-coordinate that is greater than 1 or less than -1
b. an x- coordinate that is geater than 1 or less than -1
Click here to see answer by fractalier(6550)

Question 43905: 5x-3=9x=7
Click here to see answer by fractalier(6550)

Question 43844: solve. 6x-0.37 = 5(x-0.28)
Click here to see answer by adamchapman(301)

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