Answer:
x = 4
Explanation:
Given two crossing chords, one with segments 9 and 4x, and the other with segments 8 and 4x+2, you want the value of x.
Crossed chords
The product of the segment lengths for one chord is equal to that of the other chord:
9(4x) = 8(4x+2) . . . . . . products are the same
36x = 32x +16 . . . . . . eliminate parentheses
4x = 16 . . . . . . . . . . . subtract 32x
x = 4 . . . . . . . . . . . . divide by 4
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