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posledela
3 years ago
5

Solve h=-b/2a for b this is a algebra question

Mathematics
2 answers:
Harman [31]3 years ago
8 0
\sf Solve \ for \ b. \\  \\ h =  \frac{-b}{2} a  \\  \\ Flip \ equation \\  \\  \frac{-1}{2} ab = h  \\  \\ Divide\ both \ sides\ by  \frac{(-a)}{2}  \\  \\  \frac{1}{2}ab/ \frac{-a}{2} =  h / -a / 2 \\  \\ b =  \frac{-2h}{a}
zysi [14]3 years ago
5 0
h=-\frac{b}{2a}\\\\\frac{b}{2a}=-h\ \ \ \ |multiply\ both\ sides\ by\ 2a\neq0\\\\\huge\boxed{b=-2ah}
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