Which of the following could be the equation of line m?
(A) 6y + 6x = 7
(B) 3y = -4x - 3
(C) 5y + 10 = -4x
(D) y = 2
(E) x = -2

Hey all,

Does anyone know how to solve this problem? The point in the official answer which I am struggling to understand is that I can't determine by looking at the graph if the line has a positive slope or negative. for example, the official answer starts by saying that " Since there are no numbers on the graph, you can’t determine the actual equation of the line, but the line clearly has a negative slope (it points down when reading from left to right) and a positive y-intercept (it crosses the y-axis
above the origin)"

How do we read from "LEFT TO RIGHT" I am not getting it. Any help?

Thank you!

Is the Answer A? Because the y-intercept will be positive here


Sent from my iPhone using GMAT Club Forum mobile app

For x=0 , y must be positive.
Only Answer choice A complies.

Answer is A.
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put some dummy values and check which eq satisfies .
Here point to be noted is when x=0 y=+ , when y=0 x=+

Only A satisfies that
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OA:A

Convert the equation of the line in intercept form
Only option A i.e \(6y + 6x = 7\) gives positive intercept on x axis and y axis . Graph shows line m having positive x and y intercepts.
\(\frac{y}{\frac{7}{6}}+\frac{x}{\frac{7}{6}}=1\)