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In point slope form: passes through (1, -3), slope = -1?

1 Answer

5 votes

y+3=-x+1

Step-by-step explanation

Step 1

Let

P1(1,-3)

slope=-1

Step 2

use the formula


y-y_1=m(x-x_1)

replacing


\begin{gathered} y-y_1=m(x-x_1) \\ y-(-3)=-1(x-1) \\ y+3=-x+1 \\ \text{subtract 3 in both sides} \\ y+3-3=-x+1-3 \\ y=-x-2 \end{gathered}

I hope this helps you

User Permagnusson
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