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

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Question 129731:
2. Find the equation, in slope-intercept form, of the line that passes through the points
(-5, 2) and (-4, 1).

Click here to see answer by checkley71(8403)

Question 129729: 1. Find the slope of the line that passes through the points (-4, 1) and (3, 8).

Click here to see answer by jim_thompson5910(28593)

Question 129804: Please help me with this one.
Write the equation of a line that is perpendicular to the y-axis and has a y-intercept of -5.
Thank you in advance.
Click here to see answer by josmiceli(9672)

Question 129823: graph y=x^2+8x+14
Click here to see answer by MathLover1(6628)

Question 129845: A Horizontal line intersects a vertical line at (-3,7).Give the equation of each line in standard form. Trying to help my son with his homework,been 20 years since I had this stuff!! Thank you for your help.The book doesnt explain things all that much. Think we might be on the wrong track using the equation y=mx+b. Thanks again!!
Click here to see answer by solver91311(16877)

Question 129848: What is 1> 10+p?
Click here to see answer by checkley71(8403)

Question 129822:
Graph the linear eguation
3x+4y=11
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Question 129808:

Find the slope of the line containing the given pair of points (-6,7) and (1,2) and graph the line

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Question 129876: 5. Solve the system of equations using the addition (elimination) method.
If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”
x + y = 4
2x – y = 2

Click here to see answer by jim_thompson5910(28593)

Question 129880: I need to graph y+x=-3
Click here to see answer by checkley71(8403)

Question 129875: Solve the system of equations using the substitution method.
If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”
-7x + y = 4
2x + 8y = 0

Click here to see answer by scott8148(6628)

Question 129949: the perimeter of a retangle is 16 meters and its length is 2 meters more than twice its width. what is its length?
Click here to see answer by jim_thompson5910(28593)

Question 129949: the perimeter of a retangle is 16 meters and its length is 2 meters more than twice its width. what is its length?
Click here to see answer by josmiceli(9672)

Question 129991: Which one of these is not a linear equation?
a) 6y2 – 3y + 1 = 0 b) 0.07x – 0.09x = 0.57
c) 5t - 11t = -6t d) 7x + 9(x - 2) = -5x

Click here to see answer by checkley71(8403)

Question 130002: Please help me solve this equation:found the equation of the line that passes through the pair of points (-1,1),(-4,2)
Click here to see answer by jim_thompson5910(28593)

Question 130003: Please help me solve this equation:(0,8)m=-3

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Question 130004: Please help me solve this equation: (-4,3),m=3
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Question 130011: Well, I have a test prep to do and chap. 7.1 review and this question stumps me and I can't figure out how to put the equations in an appropriate form so I can graph it. Because like I know I have to put it in the y=mx+b form but the equation will have a fraction slope and I don't get that particular part. So can you please help me.
Click here to see answer by solver91311(16877)

Question 130075: When 29500 are divided by and integer n. The quotient is 123 and the remainder is 17. Find n.
Thank you for your help!!
Click here to see answer by Earlsdon(6287)

Question 130054:
Write an equation of the line containing the specified point and parallel to the indicatd line. (-2,-3), 2x+3y=-7
Please do this step by step, becuase I have had 3 people try and explain it to me and I still don't get it.
Click here to see answer by checkley71(8403)

Question 129585: I need to know what the 1st and 2nd number in an ordered pair are called.
Click here to see answer by scott8148(6628)

Question 129703: I need some help creating this linear equation. Help Please!
By the time and infant boy is one year old, he will weigh approximately two and a half time the amount he weighed at birth. Baby Jim weighed 8.4 pounds when he was born.
Write a linear equation that gives Jim's weight, w, in terms of his age, a, where a is measured in months. (Hint: There are two odered pairs, (a,w), indicated in the opening paragraph).
Click here to see answer by scott8148(6628)

Question 130138: Write a system of two linear equations with infinitely many solutions for the following.

A quantity of 13% acid solution is being diluted with some 3% acid solution. The final solution must be 8% acid and contain 90 mL. How much of each solution must be added to accomplish this?

a.) Write a system of equations that describes the situation.
b.) Solve the system.
Click here to see answer by checkley71(8403)

Question 130249: If the slope is negative one-fourth (-1/4) and passes through the point (4,4), what's the equation in the form y=mx+b?
If the slope is 4 and the y intercept is (0,12), what's the equation in the form y=mx+b?
Click here to see answer by jim_thompson5910(28593)

Question 130292: Graph each linear equation

5x-y=-8
Click here to see answer by checkley71(8403)

Question 130370: I need to write a system of "two" equations that have:
1. a unique solution
2. an infinate solution
3. no solution
Click here to see answer by Edwin McCravy(8908)

Question 130376: 4x-y-7=0
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Question 130376: 4x-y-7=0
Click here to see answer by checkley71(8403)

Question 130405: Given the line with equation 6x+5y=3 What is the slope of this line?
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Question 130403: how do you find the area of a parallelogram?
how do you find the area of a triangle?
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Question 130423: PLEASE HELP!! Line a is perpendicular to a line thats perpendicular to a line whose equation is 3x-7y=-3. If all lines are in the same plane whats the slope of line a.
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Question 130564: nx+12=3y what is n if the slope is 4
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Question 130680: I need to solve the equation y=3x & x=3y for both x & y. I can not come up with an answer that makes sense.
Click here to see answer by edjones(7569)

Question 130671: GRAPH 4X-Y=3 ON A COORDINATE PLANE
Click here to see answer by prabhjyot(164)

Question 130780: produce graph for given equation: x/3+y/4=1 determine intercepts
Click here to see answer by checkley71(8403)

Question 130906: I am having problems with graphing. Can you help me solve and graph the following problem?
1. Plot the graph of the equations 2x-3y=6 and 2x-y=-10 and interperet the result.
Click here to see answer by checkley71(8403)

Question 130963: The question was graph 6x-5y=-30. Well my teacher told me to create a function so I did but I dont know how to solve it my function for my x values were 1 and 2 but Im still confused????
Click here to see answer by stanbon(57328)

Question 130965: Bob has $40 to spend on popcorn and pop. The equation 5x + 2y=40 describes the number of popcorns x and small drinks y she can buy. Graph this function and find its intercepts. The graph is set up with numbers 2-20 on each axis.
Click here to see answer by checkley71(8403)

Question 130970: 9x-4x=-36 what is the x and y intercept
Click here to see answer by jim_thompson5910(28593)

Question 130972: Can you help me solve for x: 4/3 = 8/x
I'm not sure where to begin....
Click here to see answer by jim_thompson5910(28593)

Question 130972: Can you help me solve for x: 4/3 = 8/x
I'm not sure where to begin....
Click here to see answer by chitra(359)

Question 131004: Solve the following equation
-8 = 2x/9

Click here to see answer by jim_thompson5910(28593)

Question 131002: Find f(1) for f(x) = x3 + x2 - 1

Click here to see answer by jim_thompson5910(28593)

Question 131020: I am having problems with the following:
The solutions of line "a" are (3,3) (5,5)
The solutions of line "b" are (3,-3) (5,-5)
a. Form the equations of both the lines.
b. What are the Co-ordinates of the point of the intersection of lines a and b.
Please use the slope formula and the point slope equation to answer "a"
I think the co-ordiantes is "0". I just can't do the "a" portion. Can somebody help?
Click here to see answer by checkley71(8403)

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