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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 54145: Please graph the following: y=x+1. Thanks!!!! McGraw Hill 6th edition, Chp. 71. Problem # a.
Click here to see answer by funmath(2925)

Question 54149: Solve the system for each variable:
y+z=6
x+5y-4Z=4
x-3y+5z=7
Click here to see answer by ankor@dixie-net.com(15622)

Question 54151: Melisa has saved a total of $30,000 and wants to invest in three different stocks: Pepsico, IBM, and Microsoft. She wants the Pepsico amount to be $1000 less than twice the IBM amount and the Microsoft amount to be $2000 more than the total in the other two stocks. How much should she invest in each stock.
Solve using linear equation, system of three variable. The variables will be x,y, and z. Solve for each.
Click here to see answer by ankor@dixie-net.com(15622)

Question 54298: Can you help me with the below problem? Trying to get the steps down before I move on to more difficult problems.
Find the equation of the line, in slope intercept form, which passes through the points (-1,-2) and (4,8).
Thank you.

Click here to see answer by stanbon(57203)

Question 54297: To find the distance to the nearest hundredth between the points (-6-5) and (-1,3) do I start by using -6 and -1 as my X and -5 and 3 as my y?
thank you
Click here to see answer by stanbon(57203)

Question 54345: 1. Find the slope of the line containing the points (3,1) and (-4, -1).
2. Determine the equation of the line that passes through the points (-4, -3) and (2,2)
Click here to see answer by checkley71(8403)

Question 54385: Can someone help me work out this problem?
I need to graph the following equation
y = 3/4x + 2
You have a graph from the top in the middle is y on the line going through the middle and on the right side is the x
Can you graph this problem?
Thanks, Ashley
Click here to see answer by funmath(2925)

Question 54417: Can you please help me with this question.
Solve for x. Collect xs on the left side. The solution should be presented with x first, the coorect inequality symbol, then the number.
3(x + 1) < 18
I really appreciate your help!
Click here to see answer by stanbon(57203)

Question 54439: 9x+14=41

3x-4=11
Click here to see answer by funmath(2925)

Question 54423: if points A,Band C on a coordinate line have coordinates -5,3 and 10 respectively,find d(A,C)+d(B,C).thank you.
Click here to see answer by venugopalramana(3286)

Question 54468: 2x + 3y = 1
5x + 3y = 16
x = ?
y = ?
Click here to see answer by tutorcecilia(2152)

Question 54477: 5x - 2y = -5
y - 5x = 3
Click here to see answer by tutorcecilia(2152)

Question 54581: determine the slope m and the y-intercept for y+9=0
Click here to see answer by anjulasahay(30)

Question 54604: 10. A student earns $0.65 for each mistake she finds in a text. Sketch the equation of direct variation.
No book. Thanks so much for your valuable time!!!
Click here to see answer by tutorcecilia(2152)

Question 54606: Find the slope and the y-intercept.
y = 7x – 7
Thanks so much!!!!
Click here to see answer by tutorcecilia(2152)

Question 54602: Complete the ordered pairs for the equation y = 8x + 8.

( ,0), (3/8, ), (0, ), (-3/8, )
No book. Thanks so much!!!

Click here to see answer by tutorcecilia(2152)

Question 54601: Which of the ordered pairs
(0, 0), (–2, 10), (–1, –5), (–3, 9)
are solutions for the equation y = 5x?
No book. Thank you very much for your time!!
Click here to see answer by tutorcecilia(2152)

Question 54617: 3/2x-2 + 1/2 = 2/x-1
Note the restrictions.
Thanks!
Click here to see answer by tutorcecilia(2152)

Question 54623: If the number of students majoring in computer science at erasmus was 225 in 2002 and 305 in 2005 and if this number increase linerely each year, what will be the approximate number of students majoring in computer science at erasmus.
In the year 2007?
In the year 2009?

Click here to see answer by stanbon(57203)

Question 54564: Find the slope of the graph of the linear function f.
f(6)=-1, f(3)=8
Click here to see answer by venugopalramana(3286)

Question 54599: Which of the ordered pairs is a solution for the equation 3x – 4y = 12?
A) (0, 3)
B) (–4, 0)
C) (–4, –3)
D) (0, –3)
Thanks so much for your response!! No book.
Click here to see answer by venugopalramana(3286)

Question 54603: Find four solutions for the equation 3x + 5y = 15.
No book. Thank you very much for your time!!
Click here to see answer by venugopalramana(3286)

Question 54603: Find four solutions for the equation 3x + 5y = 15.
No book. Thank you very much for your time!!
Click here to see answer by funmath(2925)

Question 54598: Which of the ordered pairs
(–7, 2), (1, 0), (–3, –1), (–23, 6)
are solutions for the equation x + 4y = 1?
Thanks so much for your valuable time!! No book.
Click here to see answer by ankor@dixie-net.com(15622)

Question 54645: Calculate the slope of the line passing between the points (3,-5)and(-2,4)
Click here to see answer by tutorcecilia(2152)

Question 54644: identify the center of the circle (x+2)^2+(y-1)^2=9 I got -1,1?
Click here to see answer by psbhowmick(529)

Question 54703: 15. Find the slope and y-intercept.
x = 1
A) Slope: 0; y-intercept: (0, 1)
B) Slope: undefined; y-intercept: (0, 1)
C) Slope: 0; y-intercept: none
D) Slope: undefined; y-intercept: none
No book. Thanks so much!!!!
Click here to see answer by stanbon(57203)

Question 54712: question is Graph each function
8. y=5x
Click here to see answer by rchill(405)

Question 54653: What is the equation of the line having slope 4/7 and passing through the point (-3,1) in standard form?
Click here to see answer by venugopalramana(3286)

Question 54630: a) Write the slope-y-intercept equation form of the line which passes through the 2 points: (-3,1), (0,6)
b) write the slope-y-intercept equation form of the line which has a slope 2/3 and passes through the point : (-3,3)
c)write the point-slope equation form of the line which passes through the 2 points: (9,0), (-5,3)
d)write the general equation form of the line which passes through the 2 points: (1,2), (6,7)
Click here to see answer by venugopalramana(3286)

Question 54781: a) write the slope-y-intercept equation form of line which passes through the 2 points: (-3,1), (0,6)

b) wrie the slope-y-intercept equation form of the line which has slop 2/3 and passes through the point: (-3,3)

c) write the point-slope equation form of the line which passes through the 2 points: (9,0), (-5,3)
d) write the general equation form of the line which passes through the 2 points: (1,2), (6,7)
Click here to see answer by venugopalramana(3286)

Question 54830: I'm really stuck on this problem.
Write an equation in slope-intercept form of the line having the given slope and passing through the given point: m= -3, (4,-1)
Click here to see answer by stanbon(57203)

Question 54829: 2x+3y=-29
x+4y=-32
Click here to see answer by hulamc723(15)

Question 54829: 2x+3y=-29
x+4y=-32
Click here to see answer by stanbon(57203)

Question 54851: Write an equation in slope intercept form of the line having the given slope and passing through the given point: m=0,(0,3)
This is my question..
Click here to see answer by stanbon(57203)

Question 54860: 19. Write the equation of the line with x-intercept (7, 0) and y-intercept (0, 1).
no book Thanks so very much!!!
Click here to see answer by checkley71(8403)

Question 54854: 1. Which of the ordered pairs
(3, 1), (0, –4), (–4, 0), (–3, –7)
are solutions for the equation x – y = 4?
A) (0, –4), (–4, 0), and (–3, –7)
B) (–4, 0) and (–3, –7)
C) (0, –4) and (–3, –7)
D) (3, 1) and (–4, 0)
No book. Thank you so much for your help!!!!

Click here to see answer by checkley71(8403)

Question 54868:
Click here to see answer by funmath(2925)

Question 54883: The length of a rectangle is 7 times its width. The perimeter of the rectangle is 64 cm. Find the dimensions of the rectangle. Write a linear equation.
Click here to see answer by tutorcecilia(2152)

Question 54902: The newspaper said that only 42% of the registered voters in the school board election. If 11.960 people voted, how many registered voters are there? Write an equation.
Click here to see answer by checkley71(8403)

Question 54890: What is the slope of the line whose equation is 2y=5x+4?
Click here to see answer by checkley71(8403)

Question 54890: What is the slope of the line whose equation is 2y=5x+4?
Click here to see answer by funmath(2925)

Question 54885: The larger of two numbers is 12 more than the smaller. The sum of the number is 36. What are the numbers? Write a equation.
Click here to see answer by checkley71(8403)

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