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liq [111]
3 years ago
10

Find the slope of the line that contains the points named a (o,d),b (d,o)

Mathematics
2 answers:
Juliette [100K]3 years ago
6 0

Answer:

-1

Step-by-step explanation:

Hello,

The slope is the inclination of the line with respect to the abscissa axis, if you know two points  it can be calculated using:

P1(x_{1},y_{1} )\\P2(x_{2},y_{2} )\\\\slope(m)=\frac{y_{2} -y_{1} }{x_{2}-x_{1}} \\

Step 1

Define

P1=a(o,d),x_{1} =o, y_{1}=d \\P2=b(d,o),x_{2} =d, y_{2}=o

Step 2

put the values into the equation

slope(m)=\frac{y_{2} -y_{1} }{x_{2}-x_{1}}\\slope(m)=\frac{o-d}{d-o}\\factorize -1\\\\slope(m)=-\frac{-o+d}{d-o}\\slope(m)=-\frac{d-o}{d-o}\\slope(m)=-1\\

Have a great day

V125BC [204]3 years ago
3 0
\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%   (a,b)
&({{ 0}}\quad ,&{{ d}})\quad 
%   (c,d)
&({{ d}}\quad ,&{{ 0}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{0-d}{d-0}\implies \cfrac{-d}{d}\implies -1
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