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

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Question 73790: Please help me. What am I suppose to do?
Write the equation of the line L satisfying the given geometric conditions.
L has y-intercept (0, -3) and is parallel to the line with equation y = 2/3x

Click here to see answer by funmath(2873)

Question 73813: Write the equation of the line that passes through point (0, –9) with a slope of 6.
(A)y = –9x + 6(B)–9x + 6y = 0 (C)y = 6x – 9 (D)6y = –9

Click here to see answer by monkeycheeks(3)

Question 73813: Write the equation of the line that passes through point (0, –9) with a slope of 6.
(A)y = –9x + 6(B)–9x + 6y = 0 (C)y = 6x – 9 (D)6y = –9

Click here to see answer by funmath(2873)

Question 73820: What is the definition of Difference Quotient and how do you arrive at an answer when you have f(x)=x^2+3x and DO= ((f(x+h)-f(x))/h
Click here to see answer by Edwin McCravy(2922)

Question 73834: What should I do to make a linear equation change to its standard form?
what should I do if the slope and the y intercept is on the left side?? like this question : -2x +10=2y ? should I divide everything by -2??
Click here to see answer by stanbon(26297)

Question 73831This question is from textbook Beginning Algebra 1A

: Please Help
The length of a rectangle is 2 in. more than twice its width. If the perimeter of the rectangle is 52 in., find the width of the rectangle.This question is from textbook Beginning Algebra 1A

Click here to see answer by checkley75(3666)

Question 73830This question is from textbook Beginning Algebra 1A

: Please help me , thanks
One day, the temperature at 2:00 A.M. was 43°F, and by 3:00 P.M. the temperature was 56°F. What was the hourly rate of temperature change?This question is from textbook Beginning Algebra 1A

Click here to see answer by checkley75(3666)

Question 73868: I sent this one before but I have not received a response. Please help.
Business and finance. In planning for a new item, a manufacturer assumes that
the number of items produced x and the cost in dollars C of producing these items are related by a linear equation. Projections are that 100 items will cost $10,000 to produce and that 300 items will cost $22,000 to produce. Find the equation that relates C and x.

Click here to see answer by jim_thompson5910(13794)

Question 73832This question is from textbook Beginning Algebra 1A

: Please help me solve Thanks
Use your calculator to evaluate the following expression if x = 9.69, and y = –8.02. Round your answer to the nearest tenth.
x – 5y

This question is from textbook Beginning Algebra 1A

Click here to see answer by rmromero(383)

Question 73873: ) For a fixed rate, a fixed principal amount, and a fixed compounding cycle, the return is an exponential function of time. Using the formula,
A= P1+r/n)^nt , let r = 10%, P = 1, and n = 1 and give the coordinates (t, A) for the points where t = 0, 1, 2, 3, 4. Round your answer to the hundredth's place.
a) Show coordinates in this space

Show work in this space

b) Show graph here

Click here to see answer by bucky(1732)

Question 73891: how do i perform the indication operation of (-11),(-4)
will the answer be 44?
Click here to see answer by checkley75(3666)

Question 73892: how do i solve the following equation for x: 2 - 4(3x + 1) = 8 - 7x
Click here to see answer by checkley75(3666)

Question 73892: how do i solve the following equation for x: 2 - 4(3x + 1) = 8 - 7x
Click here to see answer by stanbon(26297)

Question 73894: One number is 4 less than 3 times another. If the sum of the numbers is 36, what are the two numbers
Click here to see answer by checkley75(3666)

Question 73894: One number is 4 less than 3 times another. If the sum of the numbers is 36, what are the two numbers
Click here to see answer by stanbon(26297)

Question 73898: If the reciprocal of 4 times a number is subtracted from the reciprocal of that number, the result is 1/12. What is the number?
can it be 6
Click here to see answer by Earlsdon(4900)

Question 73897: can someone please help me solve the following question?
4x - 9 < 7
Click here to see answer by Earlsdon(4900)

Question 73896: Which of these numbers are prime? 0,1,15,19,23,31,49,55,59,87,91,97,103,105
would it be 19,23,31,59,97,103
Click here to see answer by Earlsdon(4900)

Question 73895: Evaluate the expressions if x = -2, y = 5, and z = -2: -5(-3y - 2z)
Click here to see answer by bucky(1732)

Question 73906This question is from textbook Beginning Algebra 1A

: Please help me, thanks

An employee who produces x units per hour earns an hourly wage of y = 0.55x + 8 (in dollars). Find the hourly wage for an employee who produces 9 units per hour.This question is from textbook Beginning Algebra 1A

Click here to see answer by checkley75(3666)

Question 73903This question is from textbook Beginning Algebra 1A

: please help me graph this,
Solve the system by graphing.
x – y = –3
x – y = 4
This question is from textbook Beginning Algebra 1A

Click here to see answer by checkley75(3666)

Question 73900This question is from textbook Beginning Algebra 1A

: Please help me solve, thanks
Rewrite the equation –8x – 5y = –45 as a function of x.This question is from textbook Beginning Algebra 1A

Click here to see answer by checkley75(3666)

Question 73904This question is from textbook Beginning Algebra 1A

: Please help
Are the following lines parallel, perpendicular, or neither?
L1 with equation x – 2y = 10
L2 with equation 2x + y = 2
This question is from textbook Beginning Algebra 1A

Click here to see answer by checkley75(3666)

Question 73902This question is from textbook Beginning Algebra 1A

: Thanks for helping
Graph f(x) = –2x + 4.This question is from textbook Beginning Algebra 1A

Click here to see answer by bucky(1732)

Question 73901: what are the greatest common factor (GCF) for the numbers 36 and 84
Click here to see answer by checkley75(3666)

Question 73489: 4-3(3y+5)=3y+11
Click here to see answer by tazoftroy(22)

Question 73929This question is from textbook Algebra Structure and Method

: Written Exercises#6,14,30,38 Pgs.386-387
6.Draw the graph of the linear function n(x)=0
14.For the function f(x)= 4x-x^2 find the coordinates of the vertx, graph the equation
30. For the equation y= 6+6x-1/3x^2 find the vertex and the axis of symmetry
38. For the function f(x) = x^2-8x+15 find f(0)This question is from textbook Algebra Structure and Method

Click here to see answer by rmromero(383)

Question 73957: Write the equation, in standard form, that passes through (7,2) and (-1,6).
Click here to see answer by checkley75(3666)

Question 73964: IF POINTS A,B,AND C LIE ON A CORDINATE LINE AND POINTS A AND B HAVE COORDINATES 15 AND 7 RESPECTIVELY, THEN WHICH OF THE POSSIBLE COORDINATES FOR POINTS C SATISFY(IES) d(A,C)
Click here to see answer by stanbon(26297)

Question 73963: IF f(x)=x(x+1)(x-4), USE INTERVAL NOTATION TO GIVE ALL VALUES OF x WHERE f(x)>0.
Click here to see answer by stanbon(26297)

Question 73976This question is from textbook Pre-Alg
: Hi, I'm working on Systems of Equations and I'm trying to solve this problem:
2x+3y=5
y=x
I have to turn the equation into "y=" form, but I keep getting a fraction
I was wondering if you could possibly help me. I would appreciate it.This question is from textbook Pre-Alg

Click here to see answer by jim_thompson5910(13794)

Question 73773: Can you explain the step-by-step ways to solve a slope problem on graphing intercepts

Click here to see answer by ffc_01(9)

Question 73978This question is from textbook Beginning Algebra

: Please graph for me please
Solve the system by graphing.
3x – y = 1
3x – y = 2
This question is from textbook Beginning Algebra

Click here to see answer by checkley75(3666)

Question 73979This question is from textbook Beginning Algebra

: Plese help me solve and graph, Thanks

A home-based company produces both hand-knitted scarves and sweaters. The scarves take 2 hours of labor to produce, and the sweaters take 14 hours. The labor available is limited to 40 hours per week, and the total production capacity is 5 items per week. Write a system of inequalities representing this situation, where x is the number of scarves and y is the number of sweaters. Then graph the system of inequalities.ase help me, thanks This question is from textbook Beginning Algebra

Click here to see answer by ankor@dixie-net.com(6693)

Question 73995: Find the midpoint of the line segment PQ for P(2, -2), Q(3, 4)
If M (6, 1) is the midpoint of segment PQ and the coordinates of Q are (2, -2), find the coordinates of P.
3) Verify that (-1, 3) is a solution to y = (-1/2)x + (5/2)

4)Solve the inequality and write the solution set in interval notation:
5(2+X)>-4(X+3)

Click here to see answer by stanbon(26297)

Question 73716: Graph each of the following inequalities.
3x-4y<12
Click here to see answer by bucky(1732)

Question 74004This question is from textbook beginning&intermediatealgebra
: 1/2y=-2+3xThis question is from textbook beginning&intermediatealgebra

Click here to see answer by checkley75(3666)

Question 74095This question is from textbook Indiana Prentice Hall Mathematics Pre-Algebra
: I need to solve by graphing and use the equation to check. Here is the problem:
y=x+1
y=3x-7
We can't get the right answer to fit into the problem. The line doesn't plot right.
Thank you very much!!This question is from textbook Indiana Prentice Hall Mathematics Pre-Algebra

Click here to see answer by checkley75(3666)

Question 74108: 1.solve the system by addition.
-2x+3y=-15
x-2y=11
I got -x+y=-4 that doesn't seem right.

2.The difference of two numbers is 27. The second is 1 less than 3 times the first. What are the two numbers?

3.solve the following system of linear inequalities by graphing.
3x+4y is less than or equal to 12
x+3y is less than or equal to 6
x is greater than or equal to 0
y is greater than or equal to 0
Sorry, i'm not sure how to show the lees than and greater than symbols.
I'd appreciate any help you could give me

Click here to see answer by jim_thompson5910(13794)

Question 74049This question is from textbook

: Find the slope of the line
y =3This question is from textbook

Click here to see answer by bucky(1732)

Question 74032This question is from textbook
: This question is from textbook

Click here to see answer by funmath(2873)

Question 73962This question is from textbook
: I was wondering if someone can show me how to set up the problem, im lostThis question is from textbook

Click here to see answer by funmath(2873)

Question 74220: i really need the example of this linear equation :
y = 5x-4 i have to do a chart. on the right hand side is y;

x y
--------------------------------------------------------------
-2=5x-4,5x=-2+4,5x=2,x=2/5 -2
-1=5x-4,5x=-1+4,5x=3,x=3/5 -1
0=5x-4,5x=4,x=4/5 0
1=5x-4,5x=1+4,5x=5,x=5/5,x=1 1
2=5x-4,5x=2+4,5x=6,x=6/5 2
I have to type all the work for the problem below the chart .
I was trying to do the chart but it is so hard to do it so i have to fine the answer for the x .Please i need this because i have 4 more to do .And i have to do all this work before midnight tomorrow.
Thanks Enida.
Click here to see answer by checkley75(3666)

Question 74235: graph
a) by finding the x- and y-intercept : x-3y=-6
b)by using the slope and y-intercept : x-4y=8
Click here to see answer by checkley75(3666)

Question 74235: graph
a) by finding the x- and y-intercept : x-3y=-6
b)by using the slope and y-intercept : x-4y=8
Click here to see answer by rmromero(383)

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