In circle o, secants adb and aec are drawn from external point a such that points d, b, e, and c are on circle o. if ad=8, ae=6, and ec is 12 more than bd, find the length of ac.

40 units

Step-by-step explanation:

If two secants are drawn to a circle from one exterior point, then the product of the external segment and the total length of each secant are equal.

Thus,

Since AD=8 units, AE=6 units , EC=12+BD units, then

Therefore,

and

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the answer is d

step-by-step explanation:

y+3=-4(x-2)

y+3=-4x+8

  -3         -3  

y=-4x+5