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In the line xy plane line m has the equation y=3x-8, then

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In the line xy plane line m has the equation y=3x-8, then  [#permalink]

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New post Updated on: 11 Oct 2013, 01:08
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In the line xy plane line m has the equation y = 3x - 8, then the line m passes through which of the following points?

A. (3, 1)
B. (3, 4)
C. (4, 2)
D. (6, 9)
E. (6, 15)

Originally posted by monir6000 on 24 Apr 2012, 23:13.
Last edited by Bunuel on 11 Oct 2013, 01:08, edited 2 times in total.
Edited the question.
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Re: In the line xy plane line m has the equation y=3x+8, then  [#permalink]

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New post 24 Apr 2012, 23:40
1
monir6000 wrote:
In the line xy plane line m has the equation y=3x+8, then the line m passes through which of the following points?

A. (3, 1)
B. (3, 4)
C. (4, 2)
D. (6, 9)
E. (6, 15)


The line with equation y=3x+8 passes through none of the points given in answer choices.

Since OA given as A. (3, 1) then I guess the equation should be \(y=3x-8\) (instead of y=3x+8). In this case if x=3 then y=3*3-8=1.

Please check the question once more.
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Re: In the line xy plane line m has the equation y=3x+8, then  [#permalink]

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New post 25 Apr 2012, 00:18
The equation of the line is incorrect i think

presently, none satisfies the equation
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Re: In the line xy plane line m has the equation y=3x+8, then  [#permalink]

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New post 25 Apr 2012, 00:53
wrong question as none of the points satisfies the equation
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Re: In the line xy plane line m has the equation y=3x+8, then  [#permalink]

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New post 27 Apr 2012, 23:15
Yes it is y=3x-8....extremely sorry for mistake....
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Re: In the line xy plane line m has the equation y=3x+8, then  [#permalink]

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New post 08 Aug 2012, 06:47
Yes when we plot the graph, it seems that none of the points can pass through the line!!!
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Re: In the line xy plane line m has the equation y=3x-8, then  [#permalink]

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New post 10 Oct 2013, 22:51
Yes it is y=3x-8....extremely sorry for mistake....


IF that's the case then answer is A
y=3x-8
1=3X3-8
1=9-8
1=1 (satisfied)
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Re: In the line xy plane line m has the equation y=3x-8, then  [#permalink]

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New post 13 Mar 2019, 09:23
paras123 wrote:
wrong question as none of the points satisfies the equation

The question is correct. Any one of the point mentioned below will satisfy the equation and clearly option A does it.
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Re: In the line xy plane line m has the equation y=3x-8, then  [#permalink]

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New post 19 Feb 2020, 01:02
Bunuel wrote:
monir6000 wrote:
In the line xy plane line m has the equation y=3x+8, then the line m passes through which of the following points?

A. (3, 1)
B. (3, 4)
C. (4, 2)
D. (6, 9)
E. (6, 15)


The line with equation y=3x+8 passes through none of the points given in answer choices.

Since OA given as A. (3, 1) then I guess the equation should be \(y=3x-8\) (instead of y=3x+8). In this case if x=3 then y=3*3-8=1.

Please check the question once more.


Can we find the values of (x,y) by putting x = 0 for y and vice versa?
Because I tried but I didnt get the correct answer
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Re: In the line xy plane line m has the equation y=3x-8, then  [#permalink]

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New post 19 Feb 2020, 01:10
Farina wrote:
Bunuel wrote:
monir6000 wrote:
In the line xy plane line m has the equation y=3x+8, then the line m passes through which of the following points?

A. (3, 1)
B. (3, 4)
C. (4, 2)
D. (6, 9)
E. (6, 15)


The line with equation y=3x+8 passes through none of the points given in answer choices.

Since OA given as A. (3, 1) then I guess the equation should be \(y=3x-8\) (instead of y=3x+8). In this case if x=3 then y=3*3-8=1.

Please check the question once more.


Can we find the values of (x,y) by putting x = 0 for y and vice versa?
Because I tried but I didnt get the correct answer


x = 0 gives the y-intercept of the line: x = 0, y = -8, so the line intersect y-axis at (0, -8).
y = 0 gives the x-intercept of the line: y = 0, x = 8/3, so the line intersect x-axis at (8/3, 0).
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Re: In the line xy plane line m has the equation y=3x-8, then  [#permalink]

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New post 19 Feb 2020, 01:15
The line with equation y=3x+8 passes through none of the points given in answer choices.

Since OA given as A. (3, 1) then I guess the equation should be \(y=3x-8\) (instead of y=3x+8). In this case if x=3 then y=3*3-8=1.

Please check the question once more.[/quote]

Can we find the values of (x,y) by putting x = 0 for y and vice versa?
Because I tried but I didnt get the correct answer[/quote]

x = 0 gives the y-intercept of the line: x = 0, y = -8, so the line intersect y-axis at (0, -8).
y = 0 gives the x-intercept of the line: y = 0, x = 8/3, so the line intersect x-axis at (8/3, 0).[/quote]

Yes but (8/3, -8) is not any option in the given choices
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In the line xy plane line m has the equation y=3x-8, then  [#permalink]

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New post 19 Feb 2020, 01:21
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Farina wrote:
x = 0 gives the y-intercept of the line: x = 0, y = -8, so the line intersect y-axis at (0, -8).
y = 0 gives the x-intercept of the line: y = 0, x = 8/3, so the line intersect x-axis at (8/3, 0).


Yes but (8/3, -8) is not any option in the given choices[/quote]

I'm NOT saying that the line passes through (8/3, -8). I said that IF you put x = 0, you get the y-intercept of the line, which is (0, -8). and if you put y = 0, you get the x-intercept of the line, which is (8/3, 0)..

I think links below should help solving Coordinate Geometry questions:

24. Coordinate Geometry



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In the line xy plane line m has the equation y=3x-8, then   [#permalink] 19 Feb 2020, 01:21
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