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

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Question 70508: instuctions-solve each system by the graphing method.
this makes no sense and the problem is stright out of the book
y=x
y=6-x
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Question 70460: Can someone please help me with this !!! In which quadrant(s) are there no solutions for each line?
Driving down a mountain, Tom finds that he has descended 1800 ft
in elevation by the time he is 3.25 mi horizontally away from the top of the
mountain. Find the slope of his descent to the nearest hundredth.
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Question 70604: Is y=5 a horizontal line, and how.please and thank you!
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Question 70604: Is y=5 a horizontal line, and how.please and thank you!
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Question 70690This question is from textbook College Algebra
: A real estate office handles an apartment complex with 50 units. When the rent per unit is $580 per month, all 50 units are occupied. However, when the rent is $625 per month, the average number of occupied units drops to 47. Assume that the relationship between the monthly rent (p) and the demand (x) is linear.
A) Write the euqation of the line giving the demand (x) in terms of the rent (p).This question is from textbook College Algebra

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Question 70732This question is from textbook
: 2x+3(x-4)=2(x-3)This question is from textbook

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Question 70699This question is from textbook algebra 1 concepts an skills
: How do I graph the equation y=x+3?
This question is from textbook algebra 1 concepts an skills

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Question 70753: what is the y-intercept of 3x+y=7

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Question 70768This question is from textbook Introductory and intermediate algebra

: The sum of two numbers is 2. If one number is subtracted from the other, their difference is 8. Find the numbers.This question is from textbook Introductory and intermediate algebra

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Question 70768This question is from textbook Introductory and intermediate algebra

: The sum of two numbers is 2. If one number is subtracted from the other, their difference is 8. Find the numbers.This question is from textbook Introductory and intermediate algebra

Click here to see answer by bucky(1732)

Question 70768This question is from textbook Introductory and intermediate algebra

: The sum of two numbers is 2. If one number is subtracted from the other, their difference is 8. Find the numbers.This question is from textbook Introductory and intermediate algebra

Click here to see answer by Quackpot rocks(6)

Question 70767This question is from textbook Introductory and intermediate algebra

: solve the system of linear equations
What is x?
5x+2y= -7
What is y?
x+3y=9This question is from textbook Introductory and intermediate algebra

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Question 70752: what is the y-intercept of 3x+y=7

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Question 70752: what is the y-intercept of 3x+y=7

Click here to see answer by checkley75(3666)

Question 70766This question is from textbook Introductory and intermediate algebra

: 6x+2y=7
y=2-3x
solve by substitution or another methodThis question is from textbook Introductory and intermediate algebra

Click here to see answer by jim_thompson5910(13794)

Question 70815: If you have two points, and you want to find the equation of the line that runs through them, the place to start is by finding the slope.To find the slope, you figure out how far you have to move along eachaxis to get from one point to the other.

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Question 70878: Dr. Macdell's computer case measures 7 inches wide, 14 1/2 inches tall, and 16 inches deep. How much space is there inside for all those chips and drives and things?
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Question 70928: If you find a slope to be undefined can you still put the problem in y-intercept?
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Question 70929: If you find a slope to be undefined is correct is it correct to say that you can still put the problem in y-intercept?
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Question 70871This question is from textbook
: write equation in standard form?
y+9=-3(x-2)This question is from textbook

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Question 70953: Is (4,0) (5,4) ordered pairs solutions for 4x-y=16
Click here to see answer by bucky(1732)

Question 71003This question is from textbook Intermediate Algerba

: Please help write in standard form
y=1/2x+7

Please help write in slop-intercept
3x-3y=2This question is from textbook Intermediate Algerba

Click here to see answer by piglet162431(90)

Question 70811This question is from textbook introductory algebra

: please help me solve this problemThis question is from textbook introductory algebra

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Question 71086: write equation as a function in y = form.
3y = 15x - 12
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Question 71048: what is a linear equation?

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Question 71095: How do i write the equation as a function in "y =..." form
5y + 3 = 2y - 3x + 5
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Question 71102: how do i write the this equation in y...form
-2(x+3y)=18
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Question 71103: how do i write equation y=...form
5(x+y)=20+3x
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Question 71104: –7x + 1 + 8x = x + 1
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Question 71115: –3(10x – 3) + 10(3x – 3) = x – 7
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Question 71127: How do you solve a system using the addition method
x+3(y-1)=11
2(x-y)+8y=28
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Question 71012: Solve the following systems by substitution.
5x - 2y = -5
y - 5x = 3
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Question 71110: 3x + 7 = x^2 + k = 7x + 15
What is the value of k?
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Question 71225: How can I turn this into an equation for decison makink for algebra
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Question 71288: How do i graph this linear equation and is it a function
y=x-10
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Question 71371: How do i turn this into a y= equation?
x+3y=-6 and x=3y
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Question 71303: Can you help me solve this equation for y...then I need to no how I graph the problem
y-6=0.5x
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Question 71380: Find two linear equations that have (4,6) as a solution?
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Question 71322: A person cuts a rope into two pieces that are equal in length. The first piece is 4 times the length of the person’s forearm minus 1 inch. The second piece is 3 times the length of the person’s forearm plus 15 inches.

A. Construct the linear equation that represents the situation in the given using x as the variable for the person’s forearm.

B. Solve the linear equation you constructed both algebraically and graphically to find the length of the person’s forearm. Show your work.
I am not sure if it is 4x-1=x;3x+15=x or 4x-1=y etc???
Click here to see answer by elima(1433)

Question 71415This question is from textbook Intermediate Algebra

: We are writing the following problem in "Point Slope Form" I am stuck on this problem and would love some help.
line through (2,3) and (-5,6)
I know to find the slope I have
m=6-3/-5-2 = 3/-7
Y-Yo=M(X-Xo)

also the second problem is
line through (2,-4)
parallel to (6,2)&(-2,6)
Find the Point slope form.

Your help will be greatly appreciated.
Thanks,
TammiThis question is from textbook Intermediate Algebra

Click here to see answer by checkley75(3666)

Question 71451This question is from textbook Algebra 1 California Edition
: Chapter 7-8 Parallel and Perpendicular Lines
Introducing the Concept: Slope and Line Relationships
Here's my question:
"Write an equation for the line containing the given point and perpendicular to the given line."
27. (0,6); y-3x=4
28. (-2,4); y=2x-3
29. (0,2); 3y-x=0
My son just started homeschooling and I am at a complete loss as to how to provide him with help on this part of the chapter.
Just an FYI: Chapter 7 "Graphs and Linear Equations" 7-8 Exercises Part B #27, #28, #29
Thank you for any help you can provide us!!!!This question is from textbook Algebra 1 California Edition

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Question 71453: -5x+2y=10
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Question 71452: 2x+3y=6
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Question 71701: what is -5 < x _< 4
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Question 71749: I'm having trouble finding the slope of the line through the points (-3,4) and (-7, 10). Please help get me through this one.
Click here to see answer by funmath(2873)

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