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

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Question 890850: Find the standard form of the equation of the line that passes through (-3,2) and (-4,-7).
Click here to see answer by josgarithmetic(39617)

Question 890851: How would you find an equation of the horizontal line that passes through the point (-4,-8)?
Click here to see answer by Lapric(19)

Question 890954: Select the equation of a line that is parallel to the line on the graph and passes through the point (2, 3).

Click here to see answer by Fombitz(32388)

Question 890960: having trouble with putting these 2 equations into y=mx+b format write equation of a line passing through (-1,4) slope -1/3
write equation of a line passing through (0,-1/2) slope 2/3
Click here to see answer by nerdychic16(11)

Question 890994: Use the point-slope formula to write an equation of the line with slope 12 that goes through the point (�1,4).
Click here to see answer by Tatiana_Stebko(1539)

Question 891067: -5< 2x + 1 (>=) 11
Click here to see answer by stanbon(75887)

Question 891069: Determine whether the pair of lines is parallel, perpendicular, or neither.

Y = 2x + 4
3y = 6x + 6
Click here to see answer by josgarithmetic(39617)

Question 891016: Teresa purchased a prepaid phone card for . Long distance calls cost cents a minute using this card. Teresa used her card only once to make a long distance call. If the remaining credit on her card is , how many minutes did her call last?

Click here to see answer by richard1234(7193)

Question 891023: Find the x and y intercepts of the line: 3x - 1 = y + 2

Click here to see answer by Fombitz(32388)

Question 891152: A drug company is testing new toothpaste in two flavors regular and cinnamon. In a sample of 163 people, 101 liked regular, 87 people liked cinnamon, and 34 people liked both. Of those sampled how many people liked only regular.
Click here to see answer by Tatiana_Stebko(1539)

Question 891178: Find the value of A if (A,6) is a solution to 5x+2y=-12

Click here to see answer by Theo(13342)

Question 891240: Write an equation of the line passing through (-6,3) and having the given slope m=3/5. Write the final answer in slope intercept form.
thanks.

Click here to see answer by josgarithmetic(39617)

Question 891334: Y=4x
Click here to see answer by Alan3354(69443)

Question 891378: I need some help with putting (-4,0) and (0,1) in slope intercept form. Please I need assistance bad!
Click here to see answer by DrBeeee(684)

Question 891372: Solve the system equation by graphing
x-y=2
x+y=8
Click here to see answer by josgarithmetic(39617)

Question 891372: Solve the system equation by graphing
x-y=2
x+y=8
Click here to see answer by MathTherapy(10552)

Question 891400: Can someone please help me! I need to find the equation of the line and I'm given
m=5/6 (2,-7)
If someone can help me as soon as possible I would really appreciate it.
Click here to see answer by josgarithmetic(39617)

Question 891542: A line with slope 3 passes through the point (1,2). what is the equation?
a.y=3x-1
b.y=3x+1
c.3y=x-1
d.3y=x+1
Click here to see answer by Fombitz(32388)

Question 891617: How can you find an equation of the line when the x-intercept equals -2 and y-intercept equals 1
x-intercept is (-2,0) right?
y-intercept is (0,1) right?
To find the slope you do y2-y1/x2-x1 correct which would equal 1/2?
I need help from here to figure out the rest of the problem.
Click here to see answer by josgarithmetic(39617)

Question 879962: x6.x9

Click here to see answer by tommyt3rd(5050)

Question 884606:
Click here to see answer by tommyt3rd(5050)

Question 887685:
6x-(2x5)=
Click here to see answer by tommyt3rd(5050)

Question 891703: Suppose we know a model had the form , and the point (2, 288) lies on the graph of the equation. Find the value of b.
Click here to see answer by Fombitz(32388)

Question 891702: Suppose we know a model had the form , and the point (2, 288) lies on the graph of the equation. Find the value of b.
Click here to see answer by Fombitz(32388)

Question 890874: Solution for 5x-[7-(2x-1)]=3(x-5)+4(x+3)
Click here to see answer by tommyt3rd(5050)

Question 878651: Which graph represents a system of equations that has a solution of (-1,-5)
Click here to see answer by tommyt3rd(5050)

Question 885262: Y=2.3x-2.5
Click here to see answer by tommyt3rd(5050)

Question 891770:
100=19a-4 what is a
Click here to see answer by Alan3354(69443)

Question 891999: How do you find the slope and y-intercept of the line 3x-4y=-24
Click here to see answer by rfer(16322)

Question 891983: Gregory can mow the family's lawn in 3 hours, and Jennifer can mow it in 4 hours. If they team up to mow the lawn together, how long will it take to finish mowing the lawn? Hint: If they mow for x hours, Gregory will mow a fraction of the lawn that can be expressed as x/3.
Click here to see answer by ankor@dixie-net.com(22740)

Question 892060: slope is -2, x-intercept is 3/4
Click here to see answer by josgarithmetic(39617)

Question 892061: slope is 3/4, x-intercept is -2
Click here to see answer by josgarithmetic(39617)

Question 892124: Find an equation for the line perpendicular to y = -1/10x+7 and goes through the point (-3,8).
Click here to see answer by Fombitz(32388)

Question 892380: Hi! I am looking for help to work through this problem: Solve for y and determine the point of intersection. Then check if correct.
{y=5}
y=-4/5x+1
I have tried: I substituted y for 5 and plug it in the 2nd equation
5=-4/5x+1
-1 -1
4/1=-4/5x
-4=x
how do I determine d point of intersection and check if correct?
Click here to see answer by Fombitz(32388)

Question 892344: Write an equation for the line that is parallel to the given line and that passes through the given point.
y = 3/4 � 9; (�8, �18)
Click here to see answer by Fombitz(32388)

Question 892519: I am doing maths revision and i'm really stuck, i have tried the question over and over but keep getting the wrong answer.
The question is: Determine the equation for a linear graph that passes through (2,1) and is perpendicular to 2x+6y=24
My answer was y= - 1 over 3x + 5 over three
We are learning the method of y=mx+c
Please help :)
Click here to see answer by josgarithmetic(39617)

Question 892441: What are the maximum and minimum values of objective function p=x+4y with given restraints x-y<=4 , x<=2, 0<=y<=5
Click here to see answer by Fombitz(32388)

Question 892637: What is the equation or rule for these sets of numbers? (1,0)(2,1)(4,2)(8,3)(16,4)(32,5)(64,6)? Thanks!
Click here to see answer by Alan3354(69443)

Question 892667: if x-15 is 75, then what is x?
Click here to see answer by rfer(16322)

Question 892762: Solve by the substitution method 3x+7y=40
-4x+y=19
Click here to see answer by LinnW(1048)

Question 892799: I'm trying to answer my homework problem "Draw the graph of 2x-3y=-12. Can you please help
Click here to see answer by Fombitz(32388)

Question 892847: Just check (-4,5) is a solution of 3x = -y -7.Write two more solutions of this equations.
Click here to see answer by rfer(16322)

Question 892998: Suppose you enter interstate 90 in Montana and drive at a constant speed of 75 miles per hour.
Write a linear model that represents the total distance, d(t) traveled on the highway as a function of time, t, in hours.
Please provide steps to getting the answer.
Click here to see answer by josmiceli(19441)

Question 893144: I need help solving this three set problem first I need to write an equation in slope- intercept form. Second rewrite in stander form. third graph it. My information to do this is "passes through (3,5);m=-2.
Click here to see answer by josgarithmetic(39617)

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