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

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Question 678373: "determine the solution to the system of equations graphically y=_1/3x-2 x+3y=9"
Click here to see answer by ReadingBoosters(3246)

Question 678444: How can I show that two line segments whose endpoints are (8,0) (6,6) and (5,7), and (8,-5) are perpendicular?
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Question 678168: Write an equation of the line with the given slope and y-intercept.
slope: 2/7, y-intercept: -3
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Question 673035: What is the y- intercept of f(x)=(x^(4)+3)(x^(2)-6x+11)
Click here to see answer by ReadingBoosters(3246)

Question 677884: x/9 - y/4=1
graph the equation using x and y intercepts
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Question 677402: Hello,
Please help me solve slope-intercept form.
Here is the problem : Find the x- and y-intercepts.
y = 1 1/4 x -10
My answer is: x- intercept=8 / y- intercept = -10
Please let me know if my answer is correct.
Thank you so much.

Click here to see answer by ReadingBoosters(3246)

Question 672814: x+3y-11

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Question 673811: write an equation of the line containing the given point and parallel to the given line. express your answer in the form f y=mx+b
(6,9); x+3y=8
Click here to see answer by ReadingBoosters(3246)

Question 678491: the second angle of a triangle is three times the first,and the third is 12 degree less than twice the first .find the measure of the angle?

Click here to see answer by rm29924(97)

Question 673427: Perform the indicated operation and, if possible, simlify. If a quotient is underfined, state this.

-5/9+2/3
Click here to see answer by ReadingBoosters(3246)

Question 677622: Your family of 6 went to a Italian restaurant for dinner. Everyone had a sub, either meatball for $9 or chicken parmesan for $11. If the total bill was $58, how many people ordered each type of sub?

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Question 677087: Write the equation of the line that passes through point (0, �5) with a slope of �6
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Question 671742: Identify the vertex and the axis of symmetry of the graph of the function y = 3(x + 2)2 � 3. (1 point)
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Question 678541: how do i solve by graphing?
2x+3y=6
y=2/3x-2
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Question 672994: (8,-1)9x-8y=7
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Question 677084: Use the concept of slope to determine whether the given figure is a right triangle (i.e., does the triangle contain a right angle?). Here are the coordinate points of the triangle. (-2,5) and (6,1) and (-1,2). Is this a right triangle?
Click here to see answer by ReadingBoosters(3246)

Question 678570: x=y-7
x=8y=2
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Question 674098: Sorry, how would you solve this problem?
I. Write an equation of the line given the following:
point slope: y-y1=m(x-x1) Slope intercept: y=mx+b
2. vertical through (2,7)
Click here to see answer by ReadingBoosters(3246)

Question 671519: 6+(-3)

Click here to see answer by magicschoolbus(2)

Question 678638: Hello,
This math problem I need some assitance with. I had been thinking that I have to convert the 2 equations into y=mx+b form..can you please help me out? Because I am not sure how to graph them. Thanks.
Graph the following equations. Make sure you clearly show the x and y intercepts on your graph.
Graph:
(2/3) x = 4 + y

Graph:
-3 y + 12x = 15
Click here to see answer by ptaylor(2198)

Question 678687: How can I find an equation of the line whose graph includes the following two points. (-1,4), (-3,-3).
I think I have an idea on how to approach it, but I am uncertain.
Click here to see answer by rfer(16322)

Question 678688: How do I find the distance between the following pairs of points (-2,-5) and (-2,3).
Also, how do i find the slope of the line segments joining them.
Help is appreciated, thank you very much.
Click here to see answer by josmiceli(19441)

Question 678690: I am trying to solve this equation for y
(x/3)-(y/8)=1
I have gotten this far and I am stuck
(-y/8)=1-(x/3)
y= -8(1-(x/3)
Click here to see answer by MathLover1(20849)

Question 678690: I am trying to solve this equation for y
(x/3)-(y/8)=1
I have gotten this far and I am stuck
(-y/8)=1-(x/3)
y= -8(1-(x/3)
Click here to see answer by josmiceli(19441)

Question 678733: what is th slope of the line that passes through (6,-7) and (4,-8)
Click here to see answer by jim_thompson5910(35256)

Question 678798: I need help with question 606398
Click here to see answer by MathLover1(20849)

Question 678815: Question:
Write an equation in slope-intercept form of the line satisfying the given conditions...
Perpendicular to the line y=2x+3; containing the point (-2,-4).
My answer was wrong, but here it is: y= -1/2x-4
Click here to see answer by ReadingBoosters(3246)

Question 678880: what are the slope and y intercept for y-7x equals 10

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Question 678880: what are the slope and y intercept for y-7x equals 10

Click here to see answer by lynnlo(4176)

Question 678863: What are some real life situations for f(x)=x+5?
Click here to see answer by ReadingBoosters(3246)

Question 678967: Write an equation of the line that passes through the point (2,-3) and has a slope of -1.
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Question 678968: Write an equation of the line that passes through the point (2,-3) and has a slope of -1.
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Question 678953: My directions are to solve a radical equation. I am going to try and explain it best as possible. The problem is square root of y+4 then +6+7.
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Question 678935: find n such that the slope of the line containing (7,-12) and (n n+4) is parallel to 2x+y+8
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Question 678229: one side of a triangle is 2 feet more than another side and the third side is 5 feet less than the sum of the other two sides. If the perimeter is 55 feet, what is the length of each side?
Click here to see answer by ReadingBoosters(3246)

Question 678227: One side of a triangle is 2 feet more than another side and the third side is 5 feet less than the sum of the other two sides. If the perimeter is 55 feet, what is the length of each side?
Click here to see answer by ReadingBoosters(3246)

Question 679035: can you please help me write an equation in slope intercept form for the line that passes through 2 and 4 and is parallel to y=3x+2. I need to find the slope of the line and write the equation in point slope form and write the equations in slope intercept form
Click here to see answer by stanbon(75887)

Question 678700: How do I find the dimension of rectangle of greatest area that can be roped off with 80 yards of rope?
If we can let x be the width of the rectangle.
I'm working hard on this problem as we speak, maybe I'm missing something that you guys can help me remember. Thank You.
Click here to see answer by ankor@dixie-net.com(22740)

Question 679102: Find an equation of the line having the given slope and containing the given point
m= -5, (1,6)
Click here to see answer by MathLover1(20849)

Question 679143: Graph the following system of equations y=x-3 y=-x+3
Click here to see answer by solver91311(24713)

Question 679142: solve the following equation using substitution -3x+y=-2 -x+y=6
Click here to see answer by MathLover1(20849)

Question 679197: i am having a lot of trouble figuring out how to do this problem, the directions say to plot three ordered pair solutions of the given equation and then draw a line through the three points, y = -3x + 1, the answer in the back of the book is (3,3) im just not understanding 1. how they get 3,3? 2. if they ask to plot 3 points where are the other 2? and the directions in the chapter suggest that i make up 3 numbers for x and use the equation to solve for y... im so lost... i dont understand this at all.. and all of the problems are similar to this one.
Click here to see answer by ReadingBoosters(3246)

Question 679227: Write the equation of the line with m=-6 and b=9. Write in standard form.
Click here to see answer by ReadingBoosters(3246)

Question 679260: Write the equation y-2=3(x-4) in slope intercept form.
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Question 679260: Write the equation y-2=3(x-4) in slope intercept form.
Click here to see answer by checkley79(3341)

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