Unformatted text preview: ® Exertise Score: 0 of 1 pt Assignment Score: 79% (24.5 of 3i pts) 310F131 com Find the slope, if it exists, of the line.
Find the slope, if it exists, ofthe line. ‘ . . . . . .
m— 2 (Type an integer or a Simpliﬁed fraction. Type N If the slope 1s undeﬁned.) The slope of a line containing points (x1,y1) and (x2,y2) is given by rise the change in y
m= — = —. .
run the change in X 3’2_3’1 _3’1_5’2
X2—}(1 X1_X2 ”he formula tells you that you can subtract in two ways. You must remember, however, to subtract the ycoordinates in the same order that you subtract
1e Xcoordinates. Use the points ( 4, 5) and (4,  1) to determine the slope. Question is complete. Roll your mouse over the red indicators to see incorrect answers. A" Pal15 showing 1e change in y 15 5 ( 1).
'= 1e change in X15  4 (4). Now substitute into the slope formula. 5(1) o 3
1eslope=m=—=—=—.
44 8 4 Question is complete. All parts shuiiling. l ...
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 Fall '09
 CHRISDEETER

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