emanjon100
emanjon100 emanjon100
  • 01-05-2020
  • Mathematics
contestada

please help this is a simple rearranging formula question but i keep getting it wrong

please help this is a simple rearranging formula question but i keep getting it wrong class=

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Аноним Аноним
  • 02-05-2020

Answer:

Answer is given below with explanations.

Step-by-step explanation:

[tex]y = 2a - b {x}^{2} \\ we \: want \: to \: make \: x \: as \: subject \\ y = 2a - b {x}^{2} \\ sutract \:2 a \: on \: both \: sides \\ y - 2a = - b {x}^{2} \\ multipy \: minus \: sign \\ 2a - y = b {x}^{2} \\ divide \: by \: b \\ \frac{2a - y}{ b } = {x}^{2} \\ x = \sqrt{ \frac{2a - y}{b} } [/tex]

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