Answers

2016-08-01T20:25:04+08:00
S = − b ± √ b 2 − 4 ac over 2 a s = −( 0 ) ± √(0 ) 2 − 4 (9 )(− 4 ) over 2 (9 ) s = − 0.0 ± √144 over 18 s = 2 3 or s = − 2 3 Answer: s = 2 3 or s = − 2/3 (2 over 3) :) hope it helps
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