F(x)= -x2 + 1 for x =-3
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The length of the chord = 2(sqrt(10^2 - 6^2))
= 2(sqrt (100 - 36))
= 2(sqrt (64))
= 2(8)
= 16cm
The attached pic should put things into perspective hopefully
= 2(sqrt (100 - 36))
= 2(sqrt (64))
= 2(8)
= 16cm
The attached pic should put things into perspective hopefully