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Eduardwww [97]
1 year ago
12

Use the coordinates of the labeled point to find a point-slope equation of theline.(4,-2)O A. y + 2 = -2(x - 4)O B. y-2 = 2(x+4)

O c. y-2=-2(x+4)D. y+ 2 = 2(x - 4)

Mathematics
1 answer:
zimovet [89]1 year ago
3 0

We have to write the point-slope equation of the line.

The point is (4,-2) and the slope has to be calculated.

We need another point to calculate the slope. We see that the y-intercept is y = 6, so another point of the line is (0, 6).

We then can calculate the slope with the points (0,6) and (4,-2):

\begin{gathered} m=\frac{y_2-y_1}{x_2-x_1} \\ m=\frac{-2-6}{4-0} \\ m=-\frac{8}{4} \\ m=-2 \end{gathered}

Now that we have the slope m = -2 and the point (4,-2), we can write the equation as:

\begin{gathered} y-y_0=m(x-x_0) \\ y-(-2)=-2(x-4) \\ y+2=-2(x-4) \end{gathered}

Answer: y + 2 = -2(x - 4)

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