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ruslelena [56]
3 years ago
7

A line passes through the points (-6,4) and (-2,2). Which is the equation of the line?

Mathematics
2 answers:
Art [367]3 years ago
3 0
The answer is y= -1/2x + 1
dimaraw [331]3 years ago
3 0

Answer:

The equation of the line is y=\frac{-1}{2}x+1

Step-by-step explanation:

1. The equation of the line that passes through two points can be expresed as:

\frac{y-y_1}{x-x_1}=\frac{y_2-y_1}{x_2-x_1} (Eq.1)

where x_{1}, x_{2}, y_{1} and y_{2} are the given points.

2. Name the points:

x_{1}=-6

x_{2}=-2

y_{1}=4

y_{2}=2

3. Replace the points in the Eq.1:

\frac{y-4}{x-(-6)}=\frac{2-4}{-2-(-6)}

\frac{y-4}{x+6}=\frac{2-4}{-2+6}

\frac{y-4}{x+6}=\frac{-2}{4}

\frac{4(y-4)}{x+6}=-2

4(y-4)=-2(x+6)

4y-16=-2x-12

4y=-2x-12+16

4y=-2x+4

y=\frac{-2x+4}{4}

y=\frac{-2x}{4}+\frac{4}{4}

y=\frac{-1}{2}x+1

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