Line Q passes through (s,0), and (0,s) for some number s, where s isn'

Question

Line Q passes through (s,0), and (0,s) for some number s, where s isn't equal to 0. What is the slope of line Q?

A. -1

B. 1

C.  \frac{1}{2}

D.  \frac{1}{\sqrt{2}}

E.  \sqrt{2}

Chethan92 · Answer

Slope = m = (y2-y1)/x2-x1 = (s-0)/(0-s) = -1

A is the answer

BrentGMATPrepNow · Answer

Alternatively, you can choose a value of s (say s = 2) and then find the slope of line from (2,0) to (0,2)

Slope = (2-0)/(0-2) = 2/-2 =-1

Answer: A

Cheers,
Brent

IanStewart · Answer

Going from (0, s) to (s, 0) we go right s units, and down s units, so the slope is -1.

Abhishek009 · Answer

m = \frac{(y_2 - y_1)}{(x_2 - x_1)}

Or,  m = \frac{(s - 0)}{(0 - s)}

Or,  m = \frac{s}{- s}

Or,  m = -1  ; Answer must be (A)

ScottTargetTestPrep · Answer

(s - 0)/(0 - s) = s/(-s) = -1

Answer: A

Prep Toolkit