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# If line p is defined by the equation 3x – 2y = −12, then which of the

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Math Expert
Joined: 02 Sep 2009
Posts: 58402
If line p is defined by the equation 3x – 2y = −12, then which of the  [#permalink]

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17 Jan 2019, 03:09
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Difficulty:

5% (low)

Question Stats:

87% (00:55) correct 13% (01:24) wrong based on 37 sessions

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If line p is defined by the equation 3x – 2y = −12, then which of the following points must lie on line p?

A (0,12)

B (12,18)

C (12,24)

D (2,3)

E (3,2)

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Joined: 18 Jul 2018
Posts: 1020
Location: India
Concentration: Finance, Marketing
WE: Engineering (Energy and Utilities)
Re: If line p is defined by the equation 3x – 2y = −12, then which of the  [#permalink]

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17 Jan 2019, 03:13
Substitute the value of x and y from the options given.
Only option C satisfies.

3*12-2*24 = -12
36-48 = -12
-12 = -12

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Re: If line p is defined by the equation 3x – 2y = −12, then which of the  [#permalink]

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17 Jan 2019, 07:41
Bunuel wrote:
If line p is defined by the equation 3x – 2y = −12, then which of the following points must lie on line p?

A (0,12)

B (12,18)

C (12,24)

D (2,3)

E (3,2)

simplify the eqn :
y = 1.5x+6
upon doing plug in
we observe that option c gives us right optios at x & y
IMO C
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Joined: 09 Mar 2018
Posts: 995
Location: India
Re: If line p is defined by the equation 3x – 2y = −12, then which of the  [#permalink]

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17 Jan 2019, 10:00
Bunuel wrote:
If line p is defined by the equation 3x – 2y = −12, then which of the following points must lie on line p?

A (0,12)

B (12,18)

C (12,24)

D (2,3)

E (3,2)

If a point lies on the line, this means that it will satisfy the equation of the line
3x – 2y = −12

36 - 48 = -12

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Re: If line p is defined by the equation 3x – 2y = −12, then which of the   [#permalink] 17 Jan 2019, 10:00
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