GMAT Problem Solving (PS) | Re: Which of the following lines is perpendicular to y = − 2x + 3 and has

Which of the following lines is perpendicular to y = − 2x + 3 and has the same y-intercept as y = 2x − 3?

Two lines are said to be parallel if the multiplication of their slope is\(= -1\)

Given Line has a Slope = -2

Hence, we are looking for slope of\(\frac{1}{2}\) as\(\frac{1}{2} * -2 = -1\)

And y intercept of the second like = -1

Hence, Line with Slope\(\frac{1}{2}\) and Y Intercept\(= -3\) is line B

\(y = \frac{1}{2}*x - 3\)
Hence, Answer is B
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