Compute the slope of a line that contains the points (2, 5) and (9, 3).
A. -(7/2)
B. -(2/7)
C. 2/7
D. 7/2
2007-06-13 20:53:11 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
Going from (2,5) to (9,3)
your x-coordinate is going up by 7
and your y-coordinate is going down by 2.
Slope = rise/run = (change in y)/(change in x)
So your slope is -2/7, and the correct answer is B.
Hope that helps!
2007-06-13 20:57:54 · answer #1 · answered by Bramblyspam 7 · 0⤊ 0⤋
Point (2, 5) ==> ( x1, y1)
Point (9, 3) ==> (x2, y2)
To compute for the slope, the formula is
m = change in y over change in x
m = (y2 - y1) / (x2 - x1)
m = (3 - 5)/ (9 - 2)
m = -2/7 ==> the answer, letter B
2007-06-13 21:13:11 · answer #2 · answered by detektibgapo 5 · 0⤊ 0⤋
slope of the straight line passing through (x,y)and(m,n)is slope=(n-y)/(m-x)
slope=(3-5)/(9-2)
=-2/7
2007-06-13 21:10:34 · answer #3 · answered by Anonymous · 0⤊ 0⤋
slope = (y2 -y1) / (x2 - x1)
slope of line
=(5-3) / (2-9)
=(2) / (-7)
= -2/7#
ans: B
2007-06-13 20:58:35 · answer #4 · answered by jackleynpoll 3 · 0⤊ 0⤋
its simple mannnnnnnnn
do it this way :-
slope = (y2 - y1)/(x2 - x1)
so, (3-5)/(9-2)
= -(2/7)
2007-06-13 20:57:55 · answer #5 · answered by Ankit M 1 · 0⤊ 0⤋