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Anit [1.1K]
3 years ago
15

Write an equation in slop _intercept form of the line that bisects the angle formed by BA and BC

Mathematics
1 answer:
kotegsom [21]3 years ago
8 0

Answer:

y = -x + 2

Step-by-step explanation:

Angle between these lines = 90°

Angle between BC and the angle bisector BD = 45°

Since, m(∠DBE) = 90° + 45° = 135°

Therefore, slope of the angle bisector BD = tan(90° + 45°)

                                                                      = -tan(45)°

                                                                      = -1

Let the equation of the angle bisector which passes through (x', y') and slope = m,

y - y' = m(x - x')

Where m = slope of the line = (-1)

Since, the angle bisector passes through a point B(-1, 3),

Equation of BD will be,

y - 3 = (-1)(x + 1)

y - 3 = -x - 1

y = -x - 1 + 3

y = -x + 2

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