3 years ago

Using the given points, determine the slope. (8, 1) and (8, -4)

Mathematics

2 answers:

djverab [1.8K]3 years ago

4 0

Undefined is the answer

kari74 [83]3 years ago

3 0

Slope = y2-y1/x2-x1

-4 - 1/8-8
-5/0

underfined

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A perpendicular bisector, CD is drawn through point C on AB.

STALIN [3.7K]

Answer

B(18/5,0)

Explanation

First we find the coordinates of C;

C (x, y) = [(-3+7)/2, (2+6)/2]

= (2, 4)

Find the equation of CD.

slope = (6-2)/(7--3)

= 4/10 = 2/5

slope of CD = -5/2

-5/2 = (y - 4)/(x - 2)

-5/2(x - 2) = y - 4

(-5/2) x + 5 = y - 4

y = (-5/2)x + 9

For the x-intercept y = 0

∴ y = (-5/2)x + 9

0 = (-5/2)x + 9

5/2 x = 9

x = 2/5 × 9

= 18/5

x-intercept = (18/5, 0)

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