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GMAT 1: 800 Q51 V49
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It is awesome Rich. Thank you...


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iMyself
Which of the following is an equation for the line shown in the graph?
A)y=2x+2
B)y=x/4-2
C)y=8x+2
D)y=-2x+4
E)y=4x-2

Posted from GMAT ToolKit

Posted from GMAT ToolKit

Line passing through (2,6) and (1,2):

y-2 = {(6-2)/(2-1)}*(x-1)
y-2 = 4*(x-1)
y = 4x-2

Option E
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E
y=4x-2 is the only option that satisfies both the points
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TheUltimateWinner

Which of the following is an equation for the line shown in the graph?

A) y = 2x + 2
B) y = x/4 - 2
C) y = 8x + 2
D) y = -2x + 4
E) y = 4x - 2

Attachment:
image.jpeg

The slope of the line \(=\frac{6-2}{2-1}=\frac{4}{1}\)

So, y=4x, the y-intercept is -2, finally y=4x-2

The answer is E
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