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Determine the equation of a line in point slope that passes through (5, -6) and (-1, 6)?

Sagot :

First, let's take a look at the point-slope form of a line:

[tex]y-y_0=m(x-x_0)[/tex]

Where:

• m, is the ,slope, of the line

,

• (Xo,Yo) ,is a point that belongs to the line

Now, let's calculate the slope of our line with the poins given:

[tex]\begin{gathered} m=\frac{6-(-6)}{-1-5}\rightarrow m=\frac{6+6}{-6}\rightarrow m=\frac{12}{-6} \\ \\ \rightarrow m=-2 \end{gathered}[/tex]

Using this slope and point (5,-6), we'll get the equation of our line in the point-slope form.

[tex]y-y_0=m(x-x_0)\rightarrow y-(-6)=-2(x-5)\rightarrow y+6=-2(x-5)[/tex]

The equation of the line is the following:

[tex]y+6=-2(x-5)[/tex]