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Which one of the following could be the graph of 3-6 4 2 2

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Which one of the following could be the graph of 3-6 4 2 2  [#permalink]

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New post 04 Sep 2017, 00:33
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A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

89% (01:11) correct 11% (00:57) wrong based on 47 sessions

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Which one of the following (Attached) could be the graph of 3-6x ≤ \(\frac{4x+2}{-2}\)?

A
B
C
D
E

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Re: Which one of the following could be the graph of 3-6 4 2 2  [#permalink]

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New post 04 Sep 2017, 04:04
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SajjadAhmad wrote:
Which one of the following (Attached) could be the graph of 3-6x ≤ \(\frac{4x+2}{-2}\)?

A
B
C
D
E



Hi..
\(3-6x\)≤ \(\frac{4x+2}{-2}\)....
3-6x≤ -2x-1
3+1≤6x-2x
1≤ x..
Only D fits in..

OR..

Find if equation fits in are x=0.... It doesn't.. B and E can be eliminated
Next try x =-1... Equation again doesn't fits.. A and C can be eliminated
Ans D
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Which one of the following could be the graph of 3-6 4 2 2  [#permalink]

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New post 04 Sep 2017, 12:49
SajjadAhmad wrote:
Which one of the following (Attached) could be the graph of 3-6x ≤ \(\frac{4x+2}{-2}\)?

A
B
C
D
E

3-6x ≤ \(\frac{4x+2}{-2}\)

Multiply by -2, reverse inequality sign:

-2(3 - 6x) \(\geq\) 4x + 2
-6 + 12x \(\geq\) 4x + 2
8x \(\geq\) 8
x \(\geq\) 1

Only graph D satisfies.

ANSWER D
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Which one of the following could be the graph of 3-6 4 2 2   [#permalink] 04 Sep 2017, 12:49
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