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AveGali [126]
3 years ago
7

Write an equation of a line which is passing through the point (8, −6) and is parallel to another line, whose slope is −2

Mathematics
2 answers:
AlekseyPX3 years ago
8 0
-6=-2(8)+b
-6=-16+b
10=b
Equation: y=-2x+b
Vinvika [58]3 years ago
4 0

<u>ANSWER:  </u>

The equation of the line passing through the point (8,-6) and parallel to line with slope -2 is 2x + y -10 = 0.

<u>SOLUTION: </u>

Given, a line is passing through the point (8, −6) and is parallel to another line, whose slope is −2

We need to find the equation of the line.

We know that, parallel lines will have same slope.

So slope of the required line is -2.

Now, we have a point on the line and slope of the line, so we can use point – slope form to find the line equation.

Point slope form is given as

y-y_{1}=m\left(x-x_{1}\right)

Where "m" is the slope and \left(\mathrm{x}_{1}, \mathrm{y}_{1}\right) is a point on that line.

Here, \mathrm{m}=-2, \mathrm{x}_{1}=8 \text { and } \mathrm{y}_{1}=-6

Now, substitute values in point slope form.

y – (-6) = -2(x – 8)

y + 6 = -2x - 2(-8)

y + 6 = -2x + 16

2x + y +6 -16 = 0

2x + y -10 = 0

Hence, the equation of the line is 2x + y -10 = 0.

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